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704 Cards in this Set
- Front
- Back
Complete di vs. partial
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complete - urine osmolal under 300
partial - osmolal btwn 300 adn 600 |
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tx nephrogenic DI
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salt restrict and stop offending agent (e.g. lithium)
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Anaphylaxis to blood products
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IgA deficiency?
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Trimethoprim can cause which electrolyte abnormality
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Hyperkalemia
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sensitivity equation
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tp/tp+fn
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specificity equation
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tn/tn+fp
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Tx of acute exac of MS
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IV corticosteroids
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Meds used to delay recurrence of MS exacerbations
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beta-interferon and glatiramer acetate (only in those with RR or secondary progressive forms)
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Sun tan lotion protects against...
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non-melanoma skin cancers (e.g. squamous)
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Antibodies in pt's with Hashimoto's
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anti-thyroid peroxidase and anti-thyroglobulin
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Verapamil - actions
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Negative inotrope
Rate control in afib |
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Dizziness vs. vertigo
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Dizzy - Unsteady on feet
Vertigo - Sensation that head is spinning |
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Crystal shapes and light pattern of gout and psedogout
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Gout - needle shaped, negatively birefringent
Pseudo - Rhomboid. positively birefringement |
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Newly diagnosed pt with MG - next step
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Do a chest CT to look for thymoma
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Old person on many meds with new bullae and itching
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Bullous pemphigoid - IgG and C3 at DE junction (autoimmunity to hemidesmosomes)
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Pemphigus vulgaris
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Intraepidermal blister - more fragile than bullous pemphigoid
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Dx acromegaly
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GH levels after oral glucose load (should suppress it)
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Newborn or adults have higher rate of chronic hep B after infxn?
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Newborn
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squamous cell ca of lung - which elec abn
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hypercalc
remember, sCa++mous cell ca of lung central lesion |
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small cell ca of lung - which paraneoplastic syndromes
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SIADH and ACTH prod
central lesion |
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if pt on ventilator is in resp alk - next course of action
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decrease RR
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Allergic rhinitis - dx?
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with smear for nasal eosinophils
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Flat velvety lesion on anus - dx and tx?
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Condyloma lata - syphilis - penicillin
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Verrucous pink papilliform lesions on anus - dx and tx?
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condyloma acuminata (hpv warts)
tx - 5-fu epi gel, podophylin, trichloroacetic acid or immune therapy or surgery |
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Tx of aortic dissesction
with and without HTN |
with - treat the HTN
without - TEE, CT chest, xray (mediastinal enlargement) |
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Choriocarcinoma - when to suspect, dx, where it likes to met
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Suspect with vag bleeding 8 weeks post partum (also worry about gestational trophoblastic neoplasia, but that isn't malignant) - these two are both forms of genestational trophoblastic disease
dx with beta hcg mets to lungs |
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Tinea versicolor vs. corporis
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versicolor - areas that won't tan
corprois - "ring-worm" - rings with central clearings |
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Tx for a pt with symptomatic PVCs
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beta blockers
sign of PVCs is wide qrs |
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Warfarin mech of action
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Inhibits vit k dep factors (2, 7, 9, 10)
Also inhibits proteins C and S (anticoagulants) ProtC half life is very short, so in first days of warfarin therapy, lose those anticoagulants and get a hypercoaguable state. (can lead to skin necrosis if pt has prot C deficiency) |
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Causes of avascular necrosis of femoral head
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chronic steroids, alcohol, hemoglobinopathies
worry abt this with progressive hip pain but normal range of motion |
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Fat girl with headache
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consider pseudotumor cerebri (benign intracranial htn) - can't reabsorb csf at arachnoid villi
worst complication is blindness tx - weight loss, acetazolamide. |
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work up of pt<50 with minimal BRBPR
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office-based anoscopy or proctoscopy. if negative, consider sigmoidoscopy or colo
|
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Med to increase appetite in cancer pts
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Progestins - e.g. megestrol acetate or medroxyprogesterone
|
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Types of alcoholic insults to liver that are reversible
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Fatty liver, alcoholic hepatitis (mallory's hyaline, neutrophilic infiltrate, liver cell necrosis, perivenular inflammation), early fibrosis/cirrhosis.
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Which bilirubin is soluble in water?
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conjugated. the unconj is bound to albumin.
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Rotor syndrome
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benign condition - defect in storing conj bili and it leaks into plasma
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Gilbert's syndrome
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Unconj hyperbilirubinemia
Stressors can trigger this. Usually get mild malaise/abd pain and not much more |
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Bactrim ppx in aids pts helps with...
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Toxo (cd4 < 100)
PCP |
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Azithromycin ppx in aids pts helps with....
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mycobacerium avium complex (cd4<50)
|
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Fluconazole ppx in aids pts helps with...
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Candida infxns, crytococcus neoformans and coccidoides immitis
|
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Pathologic sign of true irrev liver cirrhosis
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Regenerative nodules
|
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Dx test of choice for MS
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MRI
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Rheum fever - common cardiac sequelae
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Mitral stenosis --> LA dilatation --> a fib
|
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Next step in a pt with hematemesis and decreased consciousness
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intubate them and protect their airway
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FEV1/FVC ratio in obstructive vs restrictive
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Obstructive - <80%
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How to tx TCA overdose? Best way to measure how much drug is in system?
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Sodium bicarb to reduce chance of ventricular arrythmia.
Measure via QRS duration (longer is bad) |
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Dietary recs for pt with recurrent renal calculi
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Lots of fluids
More calcium Less protein/oxalate Less sodium |
|
Most common inherited renal disease
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AD PCKD
half of people present with HTN pts have hematuria and often a positive family hx |
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Check for ___ in a pt with glomerulonehritis if you want to know if they recently had strep
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Antistreptolysin O
|
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pt with stroke-like symptoms and headache adn loss of consciousness
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subarachnoid hemorrhage - get a ct without contrast
if unsure if it is hemorrhage or ischemic - DO NOT ANTICOAGULATE!!! get non contrast ct |
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Central retinal vein occlusion
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painless loss of vision in one eye (not as sudden as central retinal artery occlusion)
Optic disc swelling, cotton wool spots, dilated veins, retinal hemorrhages in the eye |
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Central retinal artery occlusion
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sudden painless loss of vision in 1 eye.
pallor of optic disc, cherry red fovea, boxcar segmentation of blood in theretinal veins. |
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Sporotrichosis
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Gardeners
Goes up lymphatics and causes more ulcers or subq nodules under the skin |
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Young black male presents with painless hematuria
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think of ssickle cell trait
|
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Best way to eval liver damage in acute hepatitis? Chronic?
|
Acute - Viral serologies and liver enzymes
Chronic - Biopsy |
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Melanosis coli
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Dark brown colon with lymph follicles shining through as shiny patches. A sign of laxative abuse
Can also dx laxative use with evidence of pigment of the macrophages in the lamina propria |
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Tumors that met to bone (5)
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Lung, breast, prostate, thyroid, kidney
|
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COPD pt has sudden dyspnea and unilat chest discomf
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secondary pneumothorax
|
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Chronology of rubella:
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Fever, malaise, subocciptal adenitis 14-21 days after exposure
rash 1-5 days later starting at face then spreading to trunk and arms. in adults - polyarthralgia |
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Tx of choice for Paget's
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bisphosphonates - but not necc if asymp and not in weight bearing bones
|
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levels of calc, phos, alk phos, and urine hydroxyproline in pt with paget's
|
normal calc and phos, elev AP and urine hydroxyproline
|
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levels of calc, phos, AP andurine hydroxyproline in pt with hyperparathy
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high calc, low phos, inc alk phos, normal hydroxyproline
|
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Test to dx paroxysmal nocturnal hemoglobinuria
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sugar-water test
|
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Most common cause of hypercalcemia in hospitalized pts
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Malignancy
|
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Rule out b12/folate def? before starting b12/folate?
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rule out b12 deficiency before starting folate therapy
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Tx for empyema
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Empyema is infection of the pleural space
SURGERY!!! |
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drug-induced interstitial nephritis - red cell casts or white?
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white
common with penicillins, cephs, sulfonamides |
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when lying on side - which lung gets the most ventilation?
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the dependent one
|
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Dx membranoproliferative glomerulonephritis (type 2)
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C3 immunofluor. - due to anti-IgG against C3 converatse resulting in persistent activation of alternative complement pathway
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pulsus paradoxus
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fall in systolic bp > 10 during inspir (cardiac tamp)
|
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glatiramer acetate
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mixture of polypeptides in myelin - induces TRegs - used in pt's with MS
|
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Tx model for Parkinson's
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youg - DA agonist (e.g. bromocriptine)
old - L-DOPA anticholinergics - only good to tx the tremor - not recommended in the elderly, demented, or those without tremor amantadine - for mild disease |
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tx restless leg syndrome
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da agonists or levodopa
|
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Which electrolyte abn in pts with severe heart failure
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hyponatremia (water retention)
tx by giving water! |
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Which meningitis has skin lesions?
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N. Meningitidis (meningococcus)
as opposed to penumococcus |
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pruritic pustules and vesicles that present in runs in wrist, web spaces of hands, nipples in women, penis/scotum in males...
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scabies
|
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Black man has nocturia
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Consider hyposthenuria - common in pt's with sickle cell disease and sometimes trait too
kidneys are poor at concentrating urine bc sickling in vasa recta of inner medulla so poor free water reabsorption |
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Tx of primary billiary cirrhosis
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remember, this is antimitochondrial abs
urodeoxycholic acid |
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most thyroid nodules are what?
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colloid nodules
|
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MCC CAP in adullts
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s. pneumoniae
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Stroke leading to hemiparesis - where is it?
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puramen/int capsule
eyes will deviate awya from affected side |
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Pt takes aspirin gets severe wheezing - diagnosis?
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Aspirin exacerbated respiratory disease - it is a pseudoallergy
assoc with polyps (sx are bland food and sensation of dripping in back of throat) can happen with nsaids too |
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Tx options for Graves
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Radioactive iodine ablative (preferred in US)
Drugs (e.g. PTU or methimazole) Thyroidectomy |
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Main side effects of propylthiouracil and methimazole (individually and both)
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ptu - dose indep - hepatitis and anca vasculitis
mmi - cholestatic jaundice both - agranulocytosis |
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Optic disc hyperemia and increased gap acidosis
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methanol pois
|
|
kidney damage and increased gap acidosis
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ethylene glycol
because glycolic acid injures renal tubules and oxalate precipitates calcium in the kidneys (so you get hypocalcemia too) |
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Cupping of optic disc and loss of periph vision
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glaucoma (probably open) - open v. common in african americans
|
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retropharyngeal infxn carry high risk of...
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mediastinal involvement
|
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parapharyngeal infxn carry high risk of...
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infxn of carotid sheat (artery or a IJV thrombophlebitis)
|
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Tx polymyalgia rheumatica
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low dose prednisone
high dose if there is giant cell/temporal arteritis |
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meds that cause poor folate abs in SI
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methotrexate, phenytoin, trimethoprim, phenobarb, primidone
|
|
isoniazid antagonizes which vitamin?
|
B6 (pyridoxine)
can cause a sideroblastic anemia |
|
How to tx pt with afib AND WPW
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need to cardiovert - rate control will only increase conduction through access pathway
e.g. procainamide |
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lidocaine with heart is used for...
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ventricular arrythmias but it increases chance of asystole.
|
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can use only iv aminoglycosides in pt with endocarditis?
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NO!`
|
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adenosine and digoxin - av node blocker or antiarrythmic?
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av nodal block
|
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hyper/hypothyroid cause systolic or diastolic htn?
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hyper - systolic
hypo - diastolic htn because increased PVR |
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what to give a pt in vtach but hemodynamically not compromised
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iv lidocaine or amiodarone to convert them to NSR
|
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diff btwn supraventric tachycadia and vtach on ekg
|
supra - narrow R waves
vtach - wide r waves |
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winters formula
|
paco2=1.5*bicarb + 8
|
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common side effect of calcium entry blockers
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edema - this is not an allergic rxn but due to the vasodilation effects. stop if it is excessive
|
|
dreaded complic after ocular surgery
|
endophthalmitis (infection of the vitreous)
|
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neurofibromatosis 2 - 3 characteristics
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acoustic neuromas (deafness)
cafe-au-lait spots subcut neurofibromas |
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pt has moderate-minimal amt of pain and really deformed joints
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neurogenic arthropathy (Charcot joint)
can't feel - traumatize the joints - grow back in weird ways |
|
tx of supraventric tachycardia
|
carotid massage
|
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which ca entry blocker has least effect on av node
|
nifedipine (confirm this in my step1 book)
|
|
Tx of CHF due to ARegurg
|
not beta blockers (more time in diastole and more regurg)
should reduce afterload with ace or nifedipine |
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Masses found inmiddle mediastinun?
posterior? |
middle - bronchogenic cyst, tracheal tumors, aortic arch aneur
|
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masses in post mediastinum
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post - neurogenic tumors (e.g. meningocele, esophageal things, aortic aneur) - need MRI for posterior
|
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masses in ant mediastinum
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ant - thymoma, retrosternal thyroid, teratoma - can cause hoarseness or Horner's syn
|
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diabetic bp goals
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systolic - 130
diastolic - 80 |
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indications for tube thoracostomy to drain parapneumonic effusion
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ph<7.2 or glucose < 60
|
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+ prussian blue stain indicates the presence of...
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hemosiderin - marker of hemolysis
|
|
neurocysticercosis
|
due to Taeniae solium pork tapework - fluid filled cysts in brain parenchyma causing HA and seizures
|
|
peptic stricture in esophagus due to gerd - causes weight loss?
|
no
|
|
iron intoxication stages
|
n/v and hematemesis - then asymptomatic - then shock and metab acidosis - then hepatotoxicity.
can get scarring of git to cause obstruction |
|
management of malt lymphoma with evidence of mets
|
triple therapy (omeprazole, clarithro, amoxicillin) to rid h. pylori
|
|
Abx choice for outpt CAP
inpt? |
outpt - azithromycin or doxy
inpt - new gen fluoroquinolones (levofloxicin or moxi) - cipro has poor pneumococcus coverage |
|
abx choice for aspiration pneumo
|
clindamycin
|
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Tx of choice in pt with mild-mod hypercalcemia due to metastatic disease (PTHrP)
|
bisphosphonate (e.g. zolendronic acid)
|
|
Pt who works outside has corneal vesicles and dendritic ulcers - symptoms similar to conjunctivitis
|
Herpes simplex keratitis
|
|
Pt with COPD shuold be put o nsystemic steroids?
|
yes - for acute episodes
|
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Intrahepatic cholestasis of preg - signs/sx/labs and tx
|
intense pruritis - 2nd or 3rd trim of preg - high serum total bile acids and very high ast and alts. high alk phos with GGTP not really that high...
Tx - ursodeoxycholic acid for sx relief and deliver baby as soon as lungs are mature. resolves after delivery - not too bad for the mother |
|
Asthma classification
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Intermitt - bothers them <2/week, <2 at night/month, need inhaler <2/week - tx with short acting beta2 agonist
Mild - tx with short beta2 and inhaled steroids mod - everyday and weekly nighttime awakenings. tx with short and long beta2 and inhaled steroids severe - throughout the day. tx with oral prednisone as well. |
|
Reye syndrome AKA..
and tx? |
fatty liver with encephalopathy
glucose with FFP and mannitol nb - will see high ammonium levels |
|
Xanthelasmas
|
yellow chol. plaques on medial aspects of eyelids b/l - seen idiopathic or with prim biliary cirrhosis - benign lesions
|
|
Chalazion
|
chronic, sterile granulomatous inflammation of the meibomian glands
if recurrent - could be malignant (sebaceous/meoibian carcinoma) or confused with basal call ca - get histopath examination |
|
Hordeolum
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purulent infxn of an eyelid gland - caused by staph usualy
|
|
molloscum contagiosum
|
caused by poxvirus. seen in normal children or immunocomp (e.g. HIV, poor cell-mediated immunity)
looks like firm raised flesh colored nodules with central umbilication |
|
stye
|
bump on eyelid involving Zeis or Moll's glands
|
|
Dry, end-insp crackles shuold make you consider....
|
idiopathic pulm fibrosis
|
|
Common causes of priapism (4
|
Sickle cell
Perineal/genital trauma (laceration of cavernous artery) Neurogenic lesions (cauda equina, spinal cord inj) meds (trazadone or prazosin) |
|
Tx of chronic hep b (persis elev ALT or chronically elevated hep b markers)
|
interferon or lamivudine
|
|
Leukemoid rxn
|
increase in leukocytes due to infxn or inflamm
|
|
leukocyte alk phos score - up or down in CML? leukemoid rxn?
|
cml - down (unless secondarily infected)
leukemoid - up |
|
how to disting btwn cml and leukemoid rxn on periph blood smear?
|
can't
you need lekocyte alk phos score (LOW WITH CML) |
|
Cause of osteomyelitis in pt with prosthetic
|
S. epidermitis
(normally would be s. aureus) |
|
Muffled voice and deviation of uvula in pt with strep-throat like sx...pt also has unlilat LAD and trouble swallowing
|
tonsillar abscess complicating a tonsillitis
|
|
When to use clopidogrel
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in pt with unstable angina (for one year) or post percutaneous coronary intervention (for 1 month if bare metal, for 1 year if drug eluting)
|
|
pt with continued ear drainage after abx therapy - you should consider.....
|
cholesteotoma
|
|
carbamazepine affect on kidneys?
|
intensifies response to ADH - so it is similar to SIADH
|
|
Thiazides affect on cholesterols and glucose
|
can cause increase in LDL and TGs, and increase in blood glucose
|
|
Infant presentation of nf1?
nf2? |
NF1 - cafe au lait, macrocephaly, feeding problems, short, learning disabilities
NF2 - bilat acoustic neuromas adn cataracts |
|
nerve resp for interosseous muscle strength in hand
|
ulnra
|
|
PMN count greater than ___ of peritoneal fluid suggests spont bacterial peritonitis
|
250
|
|
thenar atrophy assoc with which nerve
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median - can see it in carpal tunnel
|
|
HIV pt gets a PNA - cxr shows big pleural effusion
|
due to s. pneumoniae - not PCP (wihch has no effusion - presents as dry cough and dyspnea)
|
|
eosinophilia causes
|
neoplasm
allergy asthma addisons collagen vasc diseases parasites |
|
with cerebral lesions, gaze deviation is to the ___ side of the lesion and motor deficits are to the ____
|
gaze - deviate to the lesion
motor - deficits on the opposite side |
|
Malar rash and raccoon eyes and prox muscle weakness and heliotrope sign (periorbital swelling)
|
Dermatomyositis - assoc with malig
|
|
phenytoin AEs
|
SJS/TEN
hirsutism, gigival hyperplasia, LAD |
|
simple sinus bradycardia - tx?
|
if symptomatic, treat them with IV atropine
if hemodyn unstable, give epi (to raise BP) |
|
Strawberry vs. cherry hemangiomas
|
straw - children - regress
cherry - adults - permanent |
|
when to use digoxin
|
pts with heart failure and atrial fib/flutter because it increases av nod refractoriness (so slow ventric rate) and is an inotrope.
|
|
Diff btwn atopic conjunctivitis and atopic keratoconjunctivits
|
atopic conj - no vz change
atopic keratoconj - blurry vz |
|
AE of cyclosporin
|
nephrotoxicity, viral infxns, lymphoma
|
|
AE of azathioprine
|
pancreatitis, liver toxicity, Bone marrow suppression
|
|
Suspect ___ with newly dx diabetes, arthropathy and hepatomegaly
|
hemochromatosis (iron studies reveal increased iron, ferritin and transferrin)
|
|
most common malignant tumor of the eyelid
|
basal cell ca
|
|
Acute inferior wall MI - where is the blockage?
|
R coronary artery - will also see bradycardia and hypotension bc sa node and RV are involved
|
|
pericarditis - ekg profile?
|
diffuse st elev in all leads
|
|
EBV in CSF in aids pt - dx?
|
primary cns lymphoma
|
|
Progressive multifocal leukenceph - virus that causes it and appearance on imaging
|
JC virus
on imaging, non-enhancing lesions that don't prduce mass effects (issue with myelin) |
|
Tx of ethylene glycol pois
|
fomepizole or ethanol
|
|
Tx of beta blocker intoxication
|
glucagon
|
|
R sided valve defects increase with insp or exp?
|
inspiration
|
|
HOCM - murmur increases with what?
|
valsalva - because less preload so heart is smaller and more of the ejection is obstructed
|
|
Paradoxical splitting of S2 - dx?
|
LBBB (delayed closure of aortic valve)
|
|
lp of a pt with ms
|
normal total levels of everything, but relative increase in antibodies making up the proteins (IgG especially)
|
|
glioblastoma multiforme or astrocytoma - which one is cnotrast enhancing?
|
astrocytoma
|
|
med that can raise HDL
|
nicotinic acid (niacin)
|
|
normal anion gap
|
6-12
|
|
dx with renal insuff, hyperkal, non-gap acidosis
|
type iv renaltubular acidosis (malfunc of aldo)
|
|
drug used to tx huntington's chorea
|
haldol
|
|
immunocomp pt with pulm nodule that has a halo sign
|
aspergillosis
|
|
area for histoplasmosis
|
south east, midatlantic and central US
|
|
blastomycosis area
|
south central or north central USA
|
|
coccidiomycosis area
|
southwest USA - can get erythema nodosum or multiforme or arthralgias with this one
|
|
Tx of IBD-induced toxic megacolon
|
IV steroids and surgery if it doesn't resolve
|
|
Colon CA - presenting sx of r sided vs. l sided
|
r - anemia
l - obstruction |
|
Mechanism by which paroxysmal supraventrical tachycardia occurs
|
re-entry pathway into av node
|
|
MCC spinal stenosis
|
Degen joint dz - when spinal disc or facet joint osteophytes impinge on cord.
|
|
what to follow in a pt with guillaine-barre
|
vital capacity (amt of air expelled after max inspiration)
|
|
elderly diabetic with ear discharge and maybe even CN invovlement/skull osteomyelitis - dx and organism?
|
malignant otitis externa - pseudomonas auruginosa
|
|
nitroglycerin - does it decrease preload?
|
yes
|
|
hep b is assoc with which nephritis
|
membranous glomerulonephritis...and polyarteritis nodosa by the way
|
|
MCCauses of nephrotic/itic syn in adults (2)
|
focal segmental glomerulosclerosis and membranous glomerulonephritis
|
|
Test to dx rotator cuff tendonitis/impringement
|
passive motion of arm above head --> pain and guarding
lidocaine injection should alleviate sx (unlike other rotator cuff issues) |
|
Characteristics of dementia with lewy bodies vs. alzheimers
|
visiospatial dysfunction is early and memory loss is late
|
|
pt with cervical intraepith neoplasia - how often get paps?
|
3 consec neg ones every 6 months, then annually
|
|
How often Td vaccine?
|
every 10 years after 18
and a single TdaP btwn 19 and 64 |
|
how often pneumococcal vaccine in adults
|
once after age 65
if comorbidities (incl diabetes, chronic CV dz), before 65 and then again 5 years later |
|
Tx of acne (non-inflamm, mild, moderate, nodulocystic with scarring)
|
non-inflamm - topical retinoids
mild - topical benzoyl peroxide, topical abx, or a combo of those moderate - oral abx nodulocystic with scarring - oral isotretinoin |
|
remember to avoid nsaids in pts with...
|
renal dysfunc!
|
|
with teratoma, increase in which serum markers may occur?>
|
afp or beta hcg
|
|
sumatriptan - can take it with pregnancy? with coronary issues?
|
no and no
|
|
most common contrib factor to foot ulcers
|
diabetic neuropathy
|
|
normal cardiac output
|
5-8 L/min
|
|
affect of enoxaparin and aPTT
|
no effect!
|
|
liver issue in a pt with long hx of OCP use
|
hepatic adenoma - benign - if symptomatic, resect it
|
|
Pt ingests lye - management?
|
endoscopy to see how much damage occurred because all the damage happens instantly. don't bother with charcoal, ipecac, etc.
|
|
obesity hypovent syndrome - aka? abg?
|
aka pickwikian syndrome
abg is chronically messed up (high paco2, low o2) |
|
Peds pt with synopal episodes, hearing difficulties, fam hx...consider?
|
familial long qt syn - tx with beta blocker
if symptoms other than syncope - needs a pacemaker |
|
Kidney dx and upper and lower resp tract dz - consider...? and test of choice?
|
wegener's granulomatosis
c-ANCA |
|
How often mammogram in women btwn 50-74
|
every 2 years
|
|
how often pap in woman btwn 65-70 who had 3 consec normal paps?
|
never again
|
|
how often check lipids in a non-worrismoe pt?
|
every 5 years
|
|
best conservative way to decrease BP
|
weight loss
|
|
when to use PEEP
|
when FiO2 is already high (>40%) and the pt is adequately ventilated, but not getting a good pa02 value
|
|
what FiO2 is too high
|
>40% is bad - can get pulmonary toxicity
|
|
what is more resistant to dexamethasone suppression - pituitary adenoma or ectopic acth?
|
ectopic acth - completely resistant. dexa won't suppress cortisol at all.
|
|
Cushing dz vs. syndrome
|
dz - pituitary adenoma making acth
syndrome - too much cortisol in blood |
|
MCC death in a pt on dialysis
|
CV dz
|
|
Chronic diseases needs lots of time for exposure until the outcome is observed - what kind of phenomenon explains this?
|
latent period
|
|
Location of anserine and prepatellar bursa
|
anserine - anteromedial below the knee
prepatellar - directly over patella |
|
pharm tx of status epilepticus
|
first try benzos, then phenobarb
|
|
Amantadine and rimantadine - effective against which flu?
|
influenza a
|
|
Zanamivir and oseltamivir - what class of drugs - effective against which flu?
|
neuraminidase inh - a and b
|
|
measles or rubella? which has arthralgias?
|
rubella - note that both of their rashes starts at face then moves down extremities
|
|
tx of choice for fibromuscular dysplasia cause renal artery stenosis
|
angioplasty with stent placement
|
|
conjunctivitis, keratitis, eye pain and vz loss in a pt with HIV - dx?
|
herpes simplex virus retinitis or varicella zoster
|
|
painless visual problem in a pt with HIV - consider what?
|
CMV retinitis
|
|
rubella - has LAD?
|
yes - occipital/posterior
|
|
pt with broad differential for dysphagia - best test to get first
|
barium swallow
don't do a motility study until after barium swallow and endoscopy! |
|
GERD is present in 75% of pts with ___ and is a primary trigger for it
|
asthma
|
|
Zenker's diverticulum - presentation?
|
regurg, dysphagia, foul smelling breath
|
|
handgrip will increase murmur of mitral regurg? or aortic stenosis?
|
mitral regurg
|
|
Cardiac rhabdomyomas assoc with which neurocut syndrome
|
tuberous sclerosis
|
|
pt with 0-1 risk factors, when is ldl too high?
|
160. drugs at 190, lifestyle mod before that
|
|
don't forget to associate ARDS with...
|
pneumonia
|
|
when to start and how often mammograms?
|
age 50 - every 2 years
|
|
MCC blindness in industrialized countries
|
macular degen - way to test it is a grid with lines and the vertical ones look wavy
|
|
how to distinguish mono from hiv on physical exam
|
mono - diarrhea and rash is less likely
hiv - tonsillar exudates are uncommon |
|
Hallmarks of cat scratch dzand tx
|
pustules at site of contact and regional lymphadenopathy that is tender
tx - oral azithromycin |
|
tx of toxoplasmosis
|
sulfadiazine and pyrimethamine
NOT PROPHYLAXIS!!! |
|
Test to dx chronic pancreatitis
|
Stool elastase - amylase and lipase are often normal
|
|
Tx of supraventric tachycardia
|
1.) vagal maneuvers (e.g. dunk head on cold water)
2.) block av node (e.g. adenosine) 3.) dc cardiovert if hemodynamically unstable |
|
diabetic drugs that cause weight gain
|
sulfonylureas (e.g. glipizide)
thiazolidinediones insulin NB - metformin causes wt loss keep this in mind with diabetic mgmt |
|
pt with focal neuro signs, ring enhancing lesions, and fluid in maxillary sinuses - cause?
|
brain abscess secondary to maxillary sinusitis (anaerobic bacteria)
|
|
pt with MS can't move R eye medially when looking to left and vice-versa - where is lesion and what is this called?
|
itnernuclear ophthalmoplegia and it is due to demyelination in medial longitudinal fasciculus
|
|
lesion in medial lemniscus will affect what?
|
touch and vibration b/l
|
|
Shunting and v/q mismatch - is A-a gradient low or high? will it correct with 100% O2?
|
High
Shunting will not correct with 100% O2, V/Q mismatch will |
|
How to calculate A-a gradient
|
PAO2=FiO2 (usually 21%)* 713-PaCO2/0.8
then subtract the arterial O2 value over 30 is elevated or >15 in young person |
|
history of RA, enlarged kidneys, and hepatomegaly should make you consider...
|
amyloidosis
|
|
when to do colonoscopy's in a pt with UC?
|
once they had dz for 8 years and then every 1-2 years after that
|
|
tx of uncomplicated pyelonephritis
|
IV abx (e.g. ciprofloxacin) and then switch to oral in 48-72 hours
|
|
pt with hodgkin's lymphoma has swelling, proteinuria, low albumin - dx?
|
probably has minimal change dz - may be focal sclerosing glomerulonephritis - these two are pretty common with HL
|
|
Most common malignancy in pt's with asbestosis
|
bronchogenic carcinoma
#2 is mesothelioma |
|
enthesitis - where does it occur - associated with what?
|
it is inflammation and pain at tendon insertion sites - hlab27
heels, iliac crests, tibial tuberosities. assoc with ankylosing spondylitis |
|
infectious mononucleosis - a potential complication (hematology) is (2)....
|
autoimmune hemolytic anemia and thrombocytopenia
|
|
pt with myasthenia gravis has breathing difficulty - dx and tx?
|
myasthenic crisis
tx is intubation and stopping anticholinesterases for a few days |
|
what is the esophagus issue with scleroderma?
|
lower esoph sphincter loses tone - you can get reflux esophagitis and stricture formation
|
|
uses for n-acetylcysteine
|
protection of kidneys from contrast
mucolytic acetminophen OD |
|
where do hypertensive intraparenchymal hemorrhages occur?
|
BG, pons, thalamus, cerebellum
|
|
Pt without hep b vaccine in past gets stuck from pt with active hep b - tx?
|
hep b ig and vaccine
|
|
a lung lesion that moves around with position change
|
fungus ball (because it lies free in the cavity) - so it is a cavitary lesion
|
|
tx of acute migraine
|
antiemetics (chlorpromazine, prochlorperazine, metoclopramide) with or without triptans and nsaids
nb - tcas and beta blockers are for ppx |
|
positive Igs in a pt with scleroderma
|
anti-topoisomerase I and ANA
|
|
anti-smooth muscle abs assoc with...
|
autoimmune hepatitis
|
|
anti-mitochondrial abs associated with...
|
primary biliary cirrhosis
|
|
pt has syncope and on ekg has long pr and qrs durations - cause of syncope?
|
bradyarrythmia - a prolonged qrs means a bundle branch block
|
|
indicators of a very severe asthma attack
|
normal or increase pco2 (should be low), speech diff, diaphoresis, altered sensorium, cyanosis, silent lungs.
|
|
pt with new sx and history of tx for hodgkin's lymphoma with chemo and radiation - consider...
|
secondary malignancy (usually lung or breast)
|
|
the only illicit drug that can cause vertical nystagmus
|
PCP
|
|
Tx of PCP in AIDS pt
|
bactrim IV and prednisolone (oral) if PaO2 is < 70
|
|
pt has pleural effusion - next step?
|
determine if transudate or exudate via thoracentesis.
if classic signs/sx for CHF, can do a diuretic trial before that |
|
what does lupus anticoagulant do to a specific lab value?
|
prolongs aPTT - because it binds the phospholipids used in the assay
|
|
all pts with cirrhosis should be screened for....
|
varices via endoscopy
|
|
rough guide to correct Ca for albumin
|
for every 1mg/dl change of albumin from 4, the ca will change 0.8.
and when you lose albumin, you lose Ca with it...but it's not Ca that really matters much |
|
tx of pancreatic pseudocyst
|
leave it alone unless it is there > 6 weeks (surgery)
|
|
athlete has high hematocrit, gynecomastia, HTN...dx?
|
steroid abuse
|
|
AIDS pt with CD4<50 needs ppx with and for...
|
azithro or clarithro for mycobacterium avium complex
|
|
can have normal mixed venous o2 sat with septic shock?
|
yes - the CO is misdistributed so it does not mean adequate tissue perfusion
|
|
low normal mixed venous o2 sat with hypovolemic or neurogenic shock?
|
yes
|
|
with hypoalbuminemia causing decrease in total serum ca, does the pt have symptoms?
|
no
|
|
how does renal failure affect parathyroid hormone
|
causes secondary hyperparathyroidism - high ca, low phos
|
|
how to dx HSV meningitis
|
PCR! but if suspicion is there, start treatment asap
|
|
exposure odds ratio (in a case control study) vs. relative risk (in a follow-up study) - can assume their ratios are equal if...
|
the prevalance of the given dz is low!
|
|
hypo or hypermag associated with diuretic use?
|
hypomagnesemia
|
|
how long does troponin T stay elevated? CK-MB?
|
trop T - 10 days
CK-MB - 1-2 days |
|
Secondary amyloidosis - risk factors, signs/sx
|
RF - chronic inflammation (causes deposition of acute phase reactants) like IBD, psoriasis, RA,
Can get nephrotic syndrome, hepato and renalmegaly |
|
Stroke in post limb of int capsule (lacunar)
|
motor impairment or parasthesia without anything else really
|
|
middle cerebral artery stroke
|
contralat hemiplegia, eyes deviate to the lesion side, hemianesthesia, homonymous hemianopia, aphasia if dominant hemispphere and neglect if non-dom
|
|
ant cerebral artery occlusion
|
contralat weakness (mainly in lower extrem), abulia, akinetic mutism, emotional changes, head and eyes move towards lesion, sphincter incontinence
|
|
vertebrobasilar stroke (supplying brain stem)
|
alternate syndromes with contralat hemiplegia and ipsilat cranial nerve involvement.
|
|
pt presents with complicated GERD - next step in mngmnt?
|
esophagoscopy +/- biopsy
|
|
diffuse telangiectasias, digital clubbing, recurrent epistaxis, widespread AVMs on skin, mucus membranes or GItract - dx?
|
Osler-Weber-Rendu syndrome or hereditary telangiectasias
they get a reactive polycythemia due to AVMs shunting blood from r heart to left. |
|
post-mi - pt gets a cold leg that is not swollen - dx?
|
thrombus from the akinetic ventricle resulting into the leg vascvulature.
|
|
most common genetic hypercoaguable state
|
factor v leiden
|
|
pathogen of graves ophthalmopathy
|
autoimmune attack of EOMs causing edema, lymphocytic infiltration, fibroblast prolif, depos of glycosaminoglycosides.
|
|
congenital adrenal hyperplasias - what happenens when you are missing...
21-hydroxylase 17-hydroxylase 11-beta-hydroxylase 3-beta hydroxysteroid dehydrogenase |
21 - increase 17hydroxyprogesterone - increased androgens, and salt wsting if the most severe kind
17 - delayed puberty and excess aldo 11 - excess androgens and excess aldo 3 - increase DHEA-S and decreased testos and aldo |
|
my mnemonic for CAHs
|
11beta-hydroxylase def - HTN and increased sex hormones because you are afraid of getting caught masturbation (age 11)
17-alpha hydroxylase def - HTN but no sex hormones because you are nervous now that you have your driving license (age 17 in jersey), and can't pick up chicks (and thus have sex) at highschool parties bc you are always the DD. - delayed puberty 21-hydroxylase deficiency - no more HTN because you've had your license for a while, but increased sex hormones because now you can go out to bars and pick up chicks. |
|
causess of pulsus paradoxus and definition
|
drop in systolic > 12 with inspiration
severe asthma, taponade, tension pneumo, pericardial effusion |
|
ventricle size on mri of pseudotumor cerebri
|
small - not large!
|
|
pt with splenomegaly and RUQ pain - consider....
|
hemolysis - e.g. spherocytosis
|
|
triad of renal cell ca
|
abd mass, flank pain, hematuria
|
|
patients with iron overload - at risk for which infections?
|
listeria monocytogenes, yersinia enterocolitica, vibrio vulnificus
|
|
pt has elevated monoclonal protein - workup?
|
need to r/u MM - so you need to check for anemia, lytic bone lesions, hypercalcemia, and renal insuff.
|
|
which more commonly has hyperviscosity? waldenstroms or MM?
|
waldenstroms (igm)
|
|
best tx for frostbite
|
rapid rewarming in warm water
|
|
pt has sudden loss of vision in one eye, exam shows loss of fundus details, floating debris and a dark red glow - dx?
|
vitreous hemorrhage - assoc with diabetes
|
|
work up of suspected primary hyperaldosteronism
|
1.) plasma renin to aldo ratio
2.) aldo suppression test (suppress with IV saline or or salt load) 3.) CT adrenals looking for adrenal adenoma |
|
Chagas disease - manifestations, who to suspect in
due to what bug? |
megacolon/esoph and myocarditis
in latin america due to trypanosoma cruzi (in Latin America) |
|
Pt has vesicles on an erythematous base after an atopic dermatitis exacerbation - dx? tx?
|
eczema herpeticum -
in infant, need to be treated with acyclovir |
|
Tx for crytococcal neoformans meningitis in a pt with AIDS
|
amphotericin + flucytosine
|
|
pt with dietary vit d deficiency - levels of 25vit d and 1,25?
|
25 - low
1,25 - low, normal or high they get lower phos compared to Ca++ because PTH gets activated |
|
what stimulates parathyroid glands?
|
low calcium
|
|
renal failure - levels of Ca and phosphate?
|
calcium - low
phosphate - high |
|
pt has MENIIa - features of this dz and mngmt
|
pheos, medullary ca of thyroid, parathyroid hyperplasia
tx - total thyroidectomy |
|
cryptosporidium parvus - how to dx - who gets it
|
acid fast stain of stool showing oocysts
in immmunocomp or suppressed - they get severe diarrhea |
|
Histology, signs/sx of Whipple's disease, what kind of bug?
|
PAS positive macrophages
diarrhea, fever, weight loss, arthritis Non acid-fast bacilli |
|
diabetic pt with azotemia - best way to preserve kidneys?
|
strict BP management (<130/80)
|
|
Pt has descending paralysis - consider what dx?
|
botulism
|
|
Electrolyte abnormalities with tumor lysis syndrome
|
high phosphate and potassium, high uric acid.
low calcium because the phosphate binds it up |
|
pt has pheochromocytoma - give them a beta blocker?
|
NO!!!! block alpha receptors first or else the catecholamines will hit the alphas and BP will go even higher
|
|
painless blisters on dorsum of hands, skin fragility, hyperpigmentation and hypertrichosis of face -dx?
|
porphyria cutanea tarda
|
|
bone marrow transplant recipient with lung and intestinal involvement - consider what dx?
|
CMV pneumonitis
|
|
bone marrow transplant has skin lesions - dx?
|
probably GVHD
|
|
pt with giant cell arteritis - f/u with serial ____
|
CXRs - at risk for AAA
|
|
pt with severe pain but previous opioid addict - what to do for pain control?
|
give them the narcotic - they deserve the same standard of care
|
|
Proximal muscle weakness in a pt with tachycardia, fatigue, weight loss, anxiety, irritability
|
hyperthyroidism - thyroid myopathy affects proximal muscles.
note - hypotyhroidism can have elev CK and proximal musc weakness too |
|
ear issue in pt with AIDS
|
serious otitis media due to HIV lymphadenopatyh or obstructing lymphoma
|
|
Pt has unexplained elevation of serum CK and hyporeflexia - consider what dx?
|
hypothyroidism
|
|
you get howell-jolly bodies because of...
get heinz bodies because of... |
splenectomy - not removing the nuclear remnants anymore (due to hereditary spherocytosis
heinz - hemoglobin precip due to G6PD |
|
MCC of non-traumatic subarachnoid hemorrhage
|
rupture of saccular aneurysm
|
|
Chronic smoker gets clubbing and sudden-onset joint arthropathy (espec hands and wrists)- dx?
|
hypertrophic osteoarthropathy - correlated with lung CA, TB, bronchiectasis, emphysema
|
|
high leukocyte alk phos, low epo, normal O2 sat - dx?
|
polycythemia vera (may have high platelets with it)
|
|
thiazides cause hyper or hypomagnesemia
calcium? |
hypo
and hypercalcemia |
|
poor glycemic control affects CN III - how will it present
|
only somatic fibers affected - eye looks "down and out", ptosis.
accommodation and response to light remains intact (parasympathetic not involved) |
|
genetic causes of increased unconj bilirubin
|
Crigler Najjar 1 - v. serious, need liver transplant
Type 2 - less serious - apparent in adulthood Gilbert - not v. serious - has specific stressors |
|
genetic causes of conj bilirubinemia
|
dubin johnson
rotor |
|
pt in the early 80s received blood products - what should they be screened for?
|
hep b and c
|
|
relative risk vs. odds ratio
|
odds ratio looks retrospectively, with relative risk you follow pts over time
|
|
child has painful eye with decreased acuity and proptosis - orbital cellulitis or preseptal?
|
orbital
|
|
cavernous sinus thrombosis - unilat or bilat?
|
often bilateral!
|
|
one part of lung has louder breath sounds on expiration - what is going on?
|
if airways patent - there is consolidation there
if airways not patent - consolidation on the other side |
|
serum test if you suspect alergic bronchopulmonary aspergillosis
|
serum IgE
|
|
tests contraindicated in a pt with diverticulitis
|
sigmoidoscopy, colonoscopy, barium enema, etc.
|
|
what part of spine affected in RA?
|
cervical spine
|
|
non-caseating granulomas - UC or crohns?
|
crohns
|
|
can UC affect terminal ileum?
|
yes - backwash ileitis
|
|
crypt abscesses - crohns or uc?
|
uc
|
|
MCC papillary necrosis of the kidney
|
analgesic abuse
|
|
pt has flashes of light, floaters. on exam there is grey, elevated retina - dx?
|
retinal detachment
|
|
pt has sudden photophobia, eye pain, HA, nausea, pupil is non-reactive and mid-dilated - test to do?
|
tonometry bc they have acute glaucoma
|
|
best predictor of vertebral osteomyelitis -
|
pain with percussion over the spine - fever or elev white count is not very sensitive
|
|
can pts with cirrhosis have HPA axis dysfunction?
|
yes
|
|
pna in a pt - growing mucoid colonies in upper lobe and an encapsulated gram negative dx? what else does the pt have?
|
klebsiella
alcoholism |
|
psuedomonas encapsulated?
|
yes - GNR too
|
|
lacunar infarcts - what causes them, risk factors, what structures they affect leading to what issues?
|
small vessel hyalinosis
HTN and diabetes usually internal capsule so motor defects |
|
pronator drift suggests...
|
UMN lesion
|
|
COPD exacerbation,, ARDS - resp acidosis or alkalosis?
|
acidosis for chf
ards - alkalosis |
|
thalamic stroke - characteristics?
|
contralateral hemianesthesia with hemiparesis, athetosis or ballistic movements. can have severe pain on one side too
|
|
milk-alkali syndrome
|
seen in pts taking old meds of peptic acid dz
triad of hypercalcemia, alkalosis and renal failure |
|
tropical sprue - histology and who to suspect in
|
same histo as celiac - blunting of villi, infiltration of chronic inflam cells like lymphocytes, plasma cells, eosinophils
|
|
eye is red in glaucoma?
|
yes
|
|
in pt with low albumin, will Ca be high or low? how about renal failure?
|
low and low
|
|
pt is immobilized for long time - what to tx for their hypocalcemia?
|
bisphosphonates
|
|
two important thing to do in pt with organophosphonate poisoning
|
give atropine (to block the acetylcholine excess) and remove clothes to prevent more absorption (if it is soaked in vomit)
|
|
Lambert-Eaton syndrome - assoc with what and pathophys
|
Small cell ca of lung and autoantibodies against presynaptic calcium channels so poor release of acetylcholine
they get proximal muscle weakness |
|
baby has rash over face, scalp, chest, ext surfaces of extremities, not in diaper region - dx?
|
atopic dermatitis (note not in extensor surfaces like adults)
|
|
pt with ANC < ___ needs to be hospitalized and started on something with ___ coverage
|
1500; pseudomonas (e.g. cefepime - 4th gen; or ceftazidime - 3rd gen)
|
|
in general, if pt not responding to abx and they should be, next step in action?
|
image them looking for an abscess
|
|
Tx hep c
|
must have elevated ALT, detectablne HCV rna, and moderate grade hepatitis by bx
tx is interferon and ribavirin if PT is elevated and albumin is abnormal, they need liver transplant |
|
tx of hep b
|
interferon and lamivudine
|
|
pheochromocytoma - what is made and in the adrenal medulla or cortex?
|
medulla and NE
|
|
ichthyosis vulgaris - clinical features
|
very dry scaly lizard-like skin in a pt that had normal skin at birth. often the extensor surfaces of limbs with face spared - worse in winter
|
|
metoclopramide - what used for, mech of action, AEs and how to treat one specific one
|
anti-nausea
DA antagonist can have agitation, lloose stools, dystonic rxn (neck pain and movements treated with benztropine or diphenhydramine) |
|
how to track treatment of DKA
|
arterial pH and serum anion gap
|
|
cavernous sinus thrombosis sx
|
proptosis, ophthalmoplegia, chemosis, visual loss
|
|
what is sympathetic ophthalmia?
|
damage to one eye after injury to the other - due to uncovering of hidden antigens - often presents as uveitis
|
|
multiple stromal abscesses on slit lamp exam should make you think of...
|
fungal keratitis (often in agricultural workers or immunosuppressed)
|
|
optic neuroma/glioma consistent with NF1 or 2?
|
1
|
|
retinal hamartomas assoc with what genetic do
|
tuberous sclerosis
|
|
Thayer-martin media used for...
|
gonococcus
|
|
Conjunctivitis in newborn causes
in 1st 24h - days 2-5 - days 5-15 - |
chemical (due to silver nitrate drops) - usually no purulent discharge
gonococcus chlamydia |
|
what forms the ophthalmic artery?
|
it is the first intracranial branch of the internal carotid
|
|
Ophthalmologic chlamydia trachoma - findings, risk factors?
|
international/immigrant
main cause of blindness worldwide not sexually transmitted (contrast to inclusion chlamydial conjunctivitis) will see pannus on the cornea (neovascularization) and follicular conjunctivitis. concurrent infxn in nasopharynx dx with Giemsa stain |
|
When to get head CT with or without contrast?
|
without - looking for intracranial hemorrhage
with - worried abt brain tumors, toxo, lymphoma, etc. |
|
steps of workup in a normal pt who has a seizure
|
look for intracranial hemorrhage (head ct without contrast). if that is negative, look head ct with contrast or mri for CA or focal lesion
|
|
Different types of mono - how they present
|
EBV - pharyngitis, cervical LAD
CMV - no pharyngitis or cervical LAD; atypical lymphocytes, negative heterophile test. |
|
Pt has GI bug after mexico (bloody). Now has RUQ pain worse with inspiration and a cyst on R superior lobe liver - dx?
|
entamoeba histolytica causing an amebic liver abscess.
|
|
cause of hydatid cyst (in liver or lungs)
|
echinococcus granulosis infection (dog contact)
|
|
Immunosuppressed person has lung sx. Sputum shows partially acid-fast, filamentous, branching rods.
Dx and tx? |
Nocardia asteroides
Tx with bactrim |
|
Causes of cavitary lesions in HIV-infected patient
|
Mycobacterium tuberculosis, atypical mycobacterium, Nocardia, GNRs, anaerobes
|
|
When can a person with mono do contact sports again?
|
When spleen is no longer palpable.
|
|
Elderly person has elevated alk phos. MCC?
|
Paget's disease (even if they are having no sx)
|
|
Statins can cause increase in which blood labs?
|
ALT and AST
|
|
Things that improve mortality as outpts in pts who have CHF
|
ace inh, beta blockers, spironolacton, ARBs
|
|
Pt has dyspepsia symptoms - next step?
|
If alarming sx - weight loss, vomiting, dysphagia, blood, odynophagia (pain with swallowing), fam hx of GI cancer - upper endoscopy
without these sx - H. pylori testing if high prev in the area or empiric PPI |
|
pt with mono - high or low relative proportion of lymphocytes?
|
high
|
|
agents causing subacute bacterial endocarditis and important considerations for them
|
enterococcus - urinary tract source
strep viridans (types are mitis, sanguis, mutans, and salivarius) - throat/dental proc coag neg staph - skin/prosthetic valves staph aureus - acute presentation in pt with normal valves |
|
steps in workup of compartment syndrome
|
see the comp pressure and if there are pulses.
if worried, incision through eschar. if still no help, do fasciotomy to relieve compartment pressure |
|
Arrythmia you may see in an alcoholic
|
they have low magnesium, so this increases the QT and can cause torsades de points
tx with magnesium |
|
what does sotalol and amiodarone do to the QT interval
|
prolongs it
|
|
adenosine is used in arrythmia to...
|
block av node
|
|
causes of constrictive pericarditis
|
intl - TB
USA - viral, idiopathic, radiation, cardiac surgery, CT disorders |
|
tx of dermatitis herpetiformis
|
dapsone
|
|
tx of scabies
|
1% lindane
|
|
jaundice after the 3rd day and within the 1st week of life suggests...
|
sepsis or UTI in the baby
|
|
tests to order to work-up BPH (2)
|
creatinine
UA |
|
acute treatment of a stroke in a sickle cell pt
|
exchange transfusion to prevent further strokes from the sickled cells
|
|
what to do if pt has needle stick from hiv + pt
|
draw blood and start 2-3 antiretrovitals immediately as prophylaxis
|
|
with cocaine overdose, what lab study should you get?
|
cpk - high risk of rhabodomyolysis bcause of the vasoconstriction and direct toxic effect
|
|
winter's formula
|
the PaCO2 value should be 1.5*bicarb + 8
|
|
differences in who it infects and lung findings for histoplasmosis and blastomycosis
|
histo - affects immunocomp. lungs are hilar LAD with or without pneumonitis
blastomycosis - lungs show nodules or dense consolidation on cxr. doesn't infect immunocomp |
|
pt has lupus nephritis - next step?
|
biopsy because there are different stages of it with different treatments
|
|
cauda equina carries upper motor neurons or lower?
|
lower
|
|
when to operate on carotid artery stenosis
|
asymp - >80%
symp - >60% |
|
most sensitive test to dx disseminated histo
tx? |
antigen in the urine or serum
itraconazole if mild-mod. amphotericin then itracon if very severe (IDA AND DAN TSE) |
|
tx of crytococcus or candida
|
flucytosine
|
|
most common site for lacunar stroke
|
diabetes and htn
posterior internal capsule (pure motor) can also aaffect sensory fibers in other areas of the brain |
|
pt inhaled something and now has a bitter almond odor - dx?
|
cyanide poisoning
|
|
pt has nephritis after a URI - how to tell post-infectious vs. iga?
|
timeline
<5 days - iga (normal complement levels) about 10 days - post-infectious (low complement levels) |
|
tx of a solitary brain met
|
resection and then whole brain radiation
|
|
tx of multiple brain mets
|
palliative whole brain radiation
|
|
in an exudative pleural effusion, is glucose increased or decreased
|
decreased bc high metab activity of leukocytes in the fluid
|
|
what is in cryoprecipitate?
|
factor 8, fibrinogen, vwf, factor 13
|
|
usefulness of atropine in a pt with myasthenia gravis
|
can block the cholinergic side effects in pts taking pyridostigmine
|
|
most effective lifestyle thing you can do if not obese but want to lower BP
|
more fruits and veggies
|
|
tx protocol for prostate cancer with bony mets
|
first do orchiectomy to get rid of androgens.
then radiation if you have to. |
|
pt has stroke and one side of face is affected, cranial nerves, and contralat body - where is lesion?
|
brainstem
|
|
pt has stroke and one half of face is affected and same half of body - where is lesion?
|
thalamus or cortex
|
|
med that can tx essential tremor that can precipitate acute intermittent porphyria
|
primidone
|
|
high levels of lthium can cause...
|
hypothy
|
|
initial screening for hepatocellular carcinoma - afp level or ascites fluid aspiration?
|
afp is a good screening tool. fluid won't tell you much
|
|
most common causes of nephrotic syndrome in adults (2)
which one is more common in african americans? |
FSGS (AAs, obesity, heroin use)
and membranous nephropathy |
|
most common valvular complication of rheumatic fever
|
mitral stenosis
|
|
tx of cauda equina syndrome
|
EMERGENCY!!! take them to the OR
|
|
MM - does it cause hyper or hypocalcemia?
|
hyper (with normal or low PTH levels)
|
|
type of heme synthesis defect assoc with hepatic disease
|
porphyria cutanea tarda
|
|
can alcohol abstinence reverse dilated cardiomyopathy?
|
yes
|
|
pt with nephrotic syndrome has sudden abd pain, fever, hematuria - dx and which syndrome is it most associated with?
|
renal vein thrombosis
membranous glomerulonephritis (although it is a nephrotic type) |
|
runner has pain btwn third and 4th toes and it is reproduced with palpation on PE - dx?
|
morton neuroma
|
|
tx trigeminal neuralgia
|
carbamazepine
|
|
pt has atypical PNA with skin rash. doesnt gram stain - dx?
|
mycoplasma pneumoniae (erythema multiforme)
no cell wall so no staining |
|
drugs that are caustic and can cause esophagitis
|
tetracyclines, asa, nsaids, alendronate, KCl, quinidine, iron
|
|
tumors in body or tail of pancreas present with which symptoms?
head? |
pain and wt loss
head - steatorrhea, wt loss, jaundice |
|
known risk factors for pancreatic ca
|
chronic pancreatitis, fam hx, smoking, dm, obesity, high fat diet
note that gallstones, alcohol are not risk factors |
|
pt has symptomatic aortic stenosis - do an exercise stress test?
|
no! don't want to induce an arrythmia
|
|
tx of legionnaires disease
|
erythromycin
|
|
pt with parkinsonian symptoms has autonomic dysfunction (hypotension, impotence, incontinence, etc.) - dx?
|
Shy-Drager syndrome / multiple system atrophy
|
|
pt has low back and leg pain with walking. normal pulses. dx?
|
lumbar spinal stenosis
|
|
pt with homocystinemia - what else should they be on
|
b6 (pyridoxine) and b12 if deficient to drive homocysteine to cystathionine
|
|
clopidogrel used for arterial or venous thromboses?
|
arterial
|
|
tx of cocaine-related cardiac ischemia (3)
|
asa, nitrates, and benzos (to chill them out)
|
|
can your baby get rubella if you were just immunized for it?
|
no - likely not. but the rule is to wait 28days before getting pregnant
|
|
sputum gram stain reveals partially acid fast gprs that are branching - dx?
what if it was acid fast, non-branching, and didn't stain? |
first was nocardia, second was tb
|
|
kid has abx exposure then a week later has hives, arthralgias, fever, LAD - dx?
|
serum sickness-like reaction due to the antibiotic. it is not a true drug allergy.
|
|
shoulder pain and limited ROM resolves after lidocaine injection - dx?
|
tendonitis rather than a tear
|
|
what med decreases freq of relapse and disability in pts with relapsing recurring MS?
|
interferon beta
|
|
most kidney stones are composed of ___
|
calcium oxalate
|
|
pt is overheated, has DIC and ARDS - dx?
|
heat stroke (>40.5 celsius)
|
|
how to prevent complication of cyclophosphamide
|
mesna and lots of fluids to prevent hemorrhagic cystitis or bladder ca
|
|
how to prophylactically treat for TB
|
isoniazid and pyridoxine for 9 months
|
|
effect of growth hormone o ninsulin sensitivity
|
makes insulin less effective
|
|
which can have renal involvement - amyloidosis or sarcoidosis?
|
amyloidosis
|
|
risk of ___ is incredibly higher in pts with hashimotos thyroiditis
|
thyroid lymphoma
|
|
what test is used to compare two means?
proportions? |
means - 2 sample t or z test
prop - chi squared |
|
drug used to slow progression of ALS
|
riluzole
|
|
with cerebellar lesion, do you fall towards or away from the lesion?
|
towards
|
|
pt has gait with wide spaced legs, slapping sounds and feet hit floor, dx?
|
tabes dorsalis from neurosyph
|
|
pt has gait that is straight leg on one side with swinging in a semicircle as the pt walks - dx?
|
hemiparesis from a stroke
|
|
MCC death in acromegaly
|
cardiac issues (reversible once dz is controlled)
|
|
tx of PCP
|
bactrim + steroids if PaO2 <70 or A-a gradient > 35
nb - you get pcp with cd4 count < 200 |
|
difference btwn desmopressin and demeclocycline
|
desmopressin - that is adh (like vasopressin)
demeclocycline - inhibits adh effect |
|
tx of nephrogenic DI
|
indomethacin and hctz
if lithium induced, amiloride |
|
complications from epo therapy
|
worsening of htn, HA, flu like syndrome, red cell aplasia
|
|
when to consider TIPS placement?
|
hepatic hydrothorax (transudative effusion) that is refractory to salt restriction and diuretics
or with variceal hemorrhage |
|
life threatening reactions assoc with HIV therapy (5)
|
didanosine - pancreatitis
abacavir - hypersensitivity nucleoside reverse transcriptase inhibitors - lactic acidosis non-NRTIs - SJS nevirapine - liver failure indinavir - crystal-induced nephropathy the "navirs" are protease inhibitors |
|
amiodarone side effects (5)
|
lungs - pulm fibrosis
thyroid - hypo usually, but hyper too liver - asymp aminotransferase increases corneal deposits blue-grey skin changes (face often) |
|
cyclosporine side effects (8) (for transplants)
and how it works |
nephrotoxicity
htn neurotoxicity glucose intol infxn malignancy gigival hypertrophy/hirsutism gi manifestations decreases txpn of il-2 so t helpers are messed up |
|
major toxicity of mycophenolate
|
bone marrow suppression
|
|
major toxicity of azathioprine and how it works
|
dose-related diarrhea, leukopenia, hepatotoxicity
is converted to 6-mercaptopurine and then inhibits purine synth |
|
why do you stop nsaids before giving iv contrast?
|
nsaids cause renal vasoconstriction so you can have worse outcomes
|
|
first line tx of RA
|
methotrexate - treat with this initially so you get an early remission
|
|
dx test of choice for PE
|
ct angiography. vQ scan if renal issues
|
|
Conn's syndrome - is bicarb high or low?
|
high
|
|
polyuria and polydipsia can also be signs of overdose of what vitamin?
|
d
|
|
what is amiloride?
|
k+ sparing diuretic
|
|
in a metastatic solid tumor, what is the mechanism of hypercalcemia
|
cytokines causing lytic bone lesions
|
|
presence of EBV DNA in CSF of pt with HIV is specific for...
|
primary cns lymphoma
|
|
earliest renal change seen in diabetes
|
glomerular hyperfiltration
|
|
drug for malaria ppx
|
mefloquine
|
|
pts with RA are also more likely to have this bone disease
|
osteoporosis/penia
|
|
pt is 5 days out of mi and has pansystolic murmur with rad to the axilla - heard at the apex - dx?
|
mitral regurg (ruptured ventricular septum would be head at L sternal border with a thrill and not radiating to axilla)
|
|
ehrlichiosis - when to suspect and tx?
|
pt has tick bite and has systemic sx, leukopenia, thrombocytopenia, elevated aminotransferases
tx with doxy as early as you can similar regions as histoplasmosis and coccidio and deep south |
|
interesting thing about flecainide
|
class 1c meds - e.g. flecainide - binds sodium channels and prolongs qrs duration
this is called use dependednce - also see it with other class i meds (to a lesser extent) and class 4 meds |
|
pt has systemic disease, pulmonary sx, skin lesions and lytic bone lesions - dx?
|
blastomycosis
|
|
what skin lesion associated with sarcoidosis?
|
erythema nodosum (tender red nodules on shins)
|
|
surgical indications for removing parathyroid in primary hyperparathyroidism and how to find the adenoma
|
symptomatic
age <50 calcium level >1mg/dl of upper lim of normal bone mineral density < 2.5T from any site poor renal function find the adenoma with a sestamibi scan |
|
which anca is positive in primary sclerosing cholangitis
|
p-anca
|
|
which anca is positive in wegener's?
|
c-anca
|
|
drug that can induce digitalis toxicity
|
calcium entry blockers (e.g. verapimil)
|
|
most common side effects of digitalis toxicity
|
GI stuff (naus, vomiting, anorexia)
|
|
pt can not have ARDS if PCWP is over...
|
18
|
|
pt has palpable purpura, proteinuria, hematuria, arthralgias, HSMegaly, and hep c or MM - dx?
|
mixed cryoglobulinemia
|
|
can you give interferon-alpha and ribavirin to control hep c chronic in a pregnant pt?
|
no - teratogenic
|
|
what risk factor has the strongest assoc with stroke?
|
htn
|
|
signs of theophylline toxicity
|
cns stimulation, gi disturbances, arrythmias
|
|
what are two meds that can decrease clearance of theophylline?
|
ciprofloxacin and erythromycin
|
|
most specific marker for diagnosing acute hep b infxn
|
igm anti hepbcore antigen - this is because the surface antigen is gone but the anti surface antibody has not appeared yet.
|
|
need to have sx for ___ before diagnosing rheum arth
|
6 weeks
|
|
pt has actopic atrial beats (tachy) and av block - dx?
|
digitalis toxicity
|
|
multifocal atrial tachycardia is a consequence of...
|
pulmonary dz
|
|
pH benchark to distinguish transudate vs exudate
|
trans - >7.3
|
|
stds that have painless ulcers
|
syphilis
lymphogranuloma venerum - LAD is not at same time as ulcer (contrast to ssyphilis) granuloma inguinale - inguinal LAD (similar to syphilis thouhg...) |
|
|
|
|
empiric tx of meningitis in an elderly pt
|
vanc (strep pneum), ceftriaxone (s. pneum, neisseria menin., h flu), and ampicillin (listeria)
|
|
using ceftriaxone in a baby can cause...
|
biliary sludging. cefotaxime is better
|
|
empiric tx of meningitis in pt < 3 mo
|
cefotaxime and ampicillin
|
|
Tx of HIV esophagitis (3)
|
candida (assume this one first and tx empirically the first time you see esophagitis which is cd4<50) - fluconazole
hsv - acyclovir cmb - ganciclovir |
|
inheritance of HOCM
|
aut dom
|
|
which skin cancer more likely on the lip?
|
scc
basal can rarely be on the upper lip though. never on the lower. |
|
with hydroxychloroquine or ethambutol, you worry about...
|
optic neuritis/retinopathy
|
|
good anesthetic to use in pt with liver or renal failure
|
atracurium - metab in plasma
|
|
does PE cause transudative effusion or exudative?
|
exudative (almost always)
|
|
if suspicion for dvt is low but you still want to check for it, what to order?
|
d-dimer
|
|
tx of cervicofacial actinomyces
|
iv penicillin
|
|
distinguishing characteristic of cohort studies
|
subjects are free of the outcome when the study begins!!! (even if retrospective)
|
|
another name for case control study?
|
retrospective study - which is different that retrospective cohort study
|
|
diabetic elderly pt has severe ear pain, granulation tissue there, worse with chewing - dx and bug?
|
malignant otitis externa due to pseudomonas
|
|
methylmalonic acid levels will be ___ with folate def but ___ with b12 def
|
with folate def - normal
with cobalamin def - increased this is bc b12 converts methylmalonyl coa to succinyl coa |
|
what is technical term of kayexelate
|
sodium polystyrene sulfonate
|
|
pathologic type of damage seen with malignant htn
|
fibrinoid necrosis
|
|
greatest risk factor for VARIANT angina
|
smoking
|
|
pt is on isoretinoin and has HAs - dx?
can also happen with vit a toxicity |
pseudotumor cerebri from the med
|
|
PE, atelectasis, pulm edema and pleural effusion - how to they effect pao2 and paco2?
|
decrease both of them!
|
|
pt has secondary pneumonia after recovering from uri - what possible bugs and which can cause cavitations?
|
s pneum
h flu staph aureus - cavitations |
|
steps to reverve beta blocker overdose
|
1.) atropine and iv fluids
2.) glucagon |
|
when should you transfuse PRBCs?
|
normally under 7
if pt has preexisting heart condition, under 10 |
|
main difference btwn lewy body dementia and PD
|
lewy - early loss of cognition, hallucinations
PD - early loss of motor skills |
|
pt just got over a uri and on cxr their heart looks big and like a "water bottle" - dx?
|
pericardial effusion without tamponade
|
|
two parkinsons drugs that have serious anticholinergic effects
|
trihexyphenidyl or benztropine
|
|
to prevent serotonin syndrome, don't give this parkinsons drug with ssris or tcas
|
selegeline (mao-b inhibitor)
|
|
tx of mucormycosis and what is the bug?
|
Rhizopus
amphotericin B (with surgical debridement if necc) |
|
what is bartter/gitelman syndrome
|
defect in sodium and chloride reabsorption so you end up with hypokalemia and metabolic acidosis (increased RAAS signaling)
|
|
will urinalysis/cx detect chlamydial urethritis?
|
no - because intracellular?
|
|
tx of carcinoid tumor that can't be resected
|
octyreotide
|
|
pt has diarrhea and plauqe-like deposits of fibrough tissue on endocardium of right side of heart - dx?
|
carcinoid syndrome
|
|
Hyperactive DTRs seen with __ calcium and ___ magnesium
|
low calcium and magnesium
magnesium has this effect because low levels of it decrease PTH secretion/responsiveness |
|
steps in management of a pt who has a renal stone that is radiolucent
|
it is uric acid stone (precipitated by low ph of urine due to poor ammonium excretion) - alkalinize the urine with potassium citrate or potassium bicarb.
|
|
meds that can cause ototoxicity
|
loop diuretics, aminoglycosides, asa, chemotherapy
|
|
this skin condition occurs more freq in pts with parkinsons or hiv
|
seborrheic dermatitis
|
|
pt has HER2 positive breast ca and is getting trastuzumab - what to watch for?
|
cardiac toxicity when combined with chemo
|
|
indications to check thyroid function tests
|
hyperlipidemia, unexplained hyponatremia (siadh with thyroid dz) and elev serum muscle enzymes
|
|
howto determine type of anticoag in a pt with atrial fib
|
chads2 score
chf, hypertension, age>=75, DM, stroke in past (2) >2=warfarin. <2=asa |
|
tx of small cell lung ca
|
different than other lung cancers. tx this with chemo rather than surgery
|
|
do you have low c3 levels with membranoproliferative glomerulonephritis? post-streptococcal?
|
low c3 with both. can also have htn with both
|
|
study has two or more interventions for the groups and each group has two or more possible end points to meet - type of study?
|
factorial design
|
|
what is tick borne paralysis?
|
progressive ascending paralysis with normal sensation. occurs over hours to days. need to find the tick and remove it!
|
|
lacunar stroke in the posterior limb of internal capsule - manifestations?
|
unilat motor deficit, arm/leg incoordination, dysarthria.
no sensory, visual or higher cortical dysfunction |
|
lacunar stroke in VPL of thalamus - manifestation?
|
unilat numbness, paresthesia, hemisensory deficit
|
|
lacunar stroke in basis pontis - manifestiation? (basal pons)
|
hand weakness, mild motor aphasia. no sensory abnormalities
|
|
which thyroid cancer has psammoma bodies?
|
papillary (most common thyroid malignancy) - good px - unencapsulated (contrast to follicular)
|
|
mitral valve prolapse - will squatting increase or decrease the murmur?
|
will decrease it bc more preload
|
|
vsd - murmur increases or decreases with squatting?
|
increases (more preload)
|
|
skin lesions more common in histoplasmosis or blastomycosis?
|
blasto (warty heaped-up lesions)
|
|
tx of status epilepticus
|
benzos or phenytoin
|
|
Turcot's syndrome
|
assoc between brain tumors (mudulloblastomas and gliomas) and FAP or HNPCC
|
|
in atrial flutter, what type of heart block to expect?
|
2:1 block - if more than that (less p waves are conducting, suspect av node conduction deficit)
|
|
can you use adenosine or amiodarone for supraventricular tachy?
|
adenosine (or carotid massage)
amiodarone or lidocaine can be used for wide qrs things (e.g. v tach) |
|
pt has aids and purple skin lesions - on biopsy it bleeds like crazy - dx?
|
bacillary angiomatosis (not kaposi's)
due to bartonella may also see GI lesions with this |
|
why does inspiration worsen symptoms of cardiac tamponade?
|
negative intrathoracic pressure --> more blood into right heart --> septum moves to the left and then even less LVEDV
|
|
tx of prolactinoma
|
DA agonist (e.g. bromocriptine or cabergoline)
|
|
tx of metastatic breast ca
|
surgery! regardless of the receptor status (if it is resectable and no systemic involvement)
|
|
sx of erythema nodosum and common causes
|
painful skin lesions on shins
recent strep infxn, sarcoidosis, tb, histoplasmosis, IBD |
|
which vitamin can increase warfarin's activity?
|
e
|
|
when do you want a pt on warfarin to have inr btwn 2.5 - 3.5?
|
prosthetic heart valve
|
|
pt has overdosed on tylenol - when to draw levels and give n-acetylcysteine
|
draw levels at 4 hours (not earlier).
give n-acetylcsteine within 8 hours - can withold it until you get your level back. can give activated charcoal initially as well. |
|
tx of primary biliary cirrhosis
|
ursodeoxycholic acid
|
|
what is Kussmaul's sign
|
increase in JVP after deep inspiration (seen with constrictive pericarditis or RV infarction)
|
|
pt has hepatitis and you see a rise in their PT time and decrease in transaminase levels - what hapepned?
|
fulminant failure (not enough hepatocytes to get a high transaminase level and not enough synth of clotting factors to keep PT down)
|
|
post-seizure anion gap metabolic acidosis is due to..
|
lactic acidosis
usually resolved on its own |
|
adrenal calcification and failure is usually due to..
|
tb
|
|
pt has leukemia with lots of blasts, promonocytes,, positive alpha-naphthyl esterase rxn - dx?
|
acute monocytic leukemia
|
|
pt has leukemia with lots of hypergranular myelocytes and DIC - dx?
|
acute promyelocytic leukemia
|
|
when to start bactrim ppx in an hiv pt?
|
when cd4<200
|
|
pt just dxed with gastric ca - next step?
|
ct to evaluate extent of dz
|
|
h pylori associated with gastric adenocarcinoma or lymphoma?
|
lymphoma
|
|
pt has renal failure - will bleeding time, PT, or PTT be messed up?
tx? |
bleeding time - platelets become dysfunctional bc of metabolite building up to affect platelet adhesion
tx with DDAVP (desmopressin) |
|
sheep farmer has liver or lung cyst - dx?
|
echinococcus causing a hydatid cyst
|
|
first step in tx of severe hypercalcemia
|
HYDRATION!
|
|
when prescribing narcotics, start with short-acting or long-acting?
|
short
|
|
what does leukocyte esterase and nitrites mean on the dipstick?
|
LE - significnat pyuria
nitrites - presence of enterobacteriaceae (as in e. coli) |
|
MCC megaloblastic anemia in an alcoholic
|
folate def
|
|
factors on the ventilator that mainly affect paco2
|
tidal volume and resp rate
|
|
pt was on vacation, now has PNA with high fever, GI sx, neuro sx. sputum gram stain only shows tons of neutrophils - dx and tx?
|
legionella (intracellular)
azithromycin or levofloxacin |
|
MCC erysipelas
|
GAStrep
|
|
tx of most causes of pericarditis
|
nsaids
|
|
pt has heparin induced thrombocytopenia and it is severe with sx - tx?
|
plasmapheresis
|
|
what med can cause first degree heart block
|
digitalis
|
|
difference in appearance of cmv esophagitis and hsv
|
cmv - shallow and superficial ulcerations with intranuclear/cytoplasmic inclusions
hsv - multiple small volcano-like ulcers with eosinophilic intranuclear inclusions |
|
things that can increase endolymphatic retention and thus predispose to meniere's dz
|
alcohol, caffeine, nicotine, high salt
|
|
heavy smoker has episodes of cough and sputum production that respond to abx over the course of years - how to distinguish btwn bronchiectasis and chronic bronchitis?
|
bloody=bronchiectasis
get CT to confirm |
|
is cognition affected in ALS?
|
no
|
|
what symptoms can pts have after radioactive iodine for thyuroid?
|
hyperthyroid as the dying cells secrete thyroid hormone
|
|
tx of hairy cell leukemia and what stain
|
TRAP positive
tx with cladribine you may see smudge cells with this |
|
tx of CLL
|
chlorambucil and prednisone
|
|
pt has afib - when to do cardioversion vs rate control?
|
if <48 of duration, cardiovert
if >48h, risk of thromboembolism with cardioversion so do rate control and 3-4 weeks of anticoagulation |
|
pt has signs of RA, splenomegaly, granulocytopenia - dx?
|
Felty syndrome - need to have all 3!!!
|
|
pt complains of GI issues, poor concentration, anemia - you should consider..
|
lead pois
|
|
levels of beta hcg and afp in a seminoma
|
only beta hcg is high
|
|
best screening test for suspected primary adrenal insuff
|
cosyntropin stimulation test (acth analog)
|
|
best screening test for Cushing's syndrome
|
24 hour urinary cortisol or low-dose dexa supp test
|
|
cavernous hemangiomas on brain/viscera is associated with...
|
von-Hippel-Lindau disease
|
|
monitor the following in a pt on amiodarone
|
TFTs, LFTs, PFTs
|
|
pt has tick bite from NEastern USA and now has hemolysis and jaundice - dx?
|
babesiosis from ixodes tick
|
|
tick borne diseases
|
ehrilichiosis - leukopenia and thrombocytopenia (may have a rash)
babesiosis - hemolysis/jaundice lyme |
|
pt is a dog owner and has a liver cyst with egg shell calcifications - dx?
|
echinococcus causing a hydatid cyst in liver
|
|
when do you see the following casts
muddy brown rbc wbc fatty broad/waxy |
muddy brown - ATN
RBC - glomerulonephritis WBC - interstitial nephritis and pyelo fatty - nephrotic broad/waxy - chronic renal failure |
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AEs of succinylcholine and which pts not to use it in
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hyperkalemia and arrythmias
don't use in pts with rhabdo, demyelinating syndromes, or tmor lysis syndrome (causes of hyperk) |
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is clubbing normal in COPD?
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no! suggests malignancy
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in general, best antibiotic for infectious diarrhea
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cipro
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pt has hemolytic anemia and hepatic vein thrombosis for no good reason - dx?
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paraxysmal nocturnal hemoglobinuria
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what electrolyte abn can potentiate side effects of digoxin?
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hypokal
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should you give a dihydropyridine CEB in a pt having a stemi?
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no (e.g. nifedipine) - will cause vasodil and reflex tachy
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can you have the classic finding of eyes deviating away from paralytic side in a putamen/internal capsule lacunar hemorrhagic stroke?
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yes
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diabetic pt has early satiety and low glucose readings after meals - dx? tx?
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gastroparesis from autonomic neuropathy (if in SI --> bac overgrowth; LI --> constip)
tx is dopamine antagonist (e.g. metoclopramide or domperidone), bethanechol (parasympathomimetic), or erythromycin |
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recurrent PNAs in the same area is very concerning for...
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bronchial obstruction (and thus bronchgenic CA)
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pt is type II diabetic with very very high glucose levels but focal neurologic defects - dx?
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nonketotic hyperosmolar syndrome - can have focal neuro defects!
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with massive hemoptysis, what do people usually die of?
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asphixiation on the blood - protect their airway first!
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pt is diagnosed with active goodpasture's dz - next step?
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plasmapheresis!!!
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pt has spherocytes and positive coombs test - dx?
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autoimmune hemolytic anemia
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pt has poor systolic function and htn - what med to control their htn with first?
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ace inhibitor to reduce afterload
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pt has urine sodium level 10mEq/L - is that low or high?
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<10 is very low
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unilateral obstructive uropathy - will you see increase in creatinine?
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usually no
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pt has alpha 1 antitrypsin def - what will TLC and diffusion capacity be?
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inc tlc, low diffusion capacity
(same as in emphysema) |
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at what age does hemochromatosis present?
wilsons dz? |
hemochrom - 40s
wilsons - 20s |
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what to use to tx agitation in elderly?
the young? |
old - haldol
young - lorazepam |
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MCC guillain-barre syndrome
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campy jejuni
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HIV pt has bloody diarrhea with normal stool study - dx?
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probably CMV - do colonoscopy with biopsy to confirm (will see large cells with eosinophilic intranuclear and basophilic intracytoplasmic inclusions)
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MCC iron def anemia
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blood loss!!! always test for occult blood in stool
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tx of severe lithium toxicity
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hemodialysis
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tx of mild lead pois?
severe? |
mild - succimer
severe - edta |
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MCC iron def anemia
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blood loss!!! always test for occult blood in stool
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tx of severe lithium toxicity
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hemodialysis
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tx of mild lead pois?
severe? |
mild - succimer
severe - edta |
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pt has varicocele that doesn't empty when lying recumbent - should make you consider...
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renal cell ca
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most important factor contributing to NASH
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insulin resistance
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pts with central 7th nerve lesion ___ have facial furrowing
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will have it (peripheral provides contralat innervation)
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MCC death in pt with subarachnoid hemorrhage
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vasospasm with ischemia/infarction afterwards - prevent this with CEBs (e.g. nimodipine)
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pt is in sand in SE USA and has pruritc lesions on skin traveling proximally - dx?
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cutaneous larva migrans (ancylostoma braziliense) - from contact with dog/cat poop in the sand
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type of bruit heard in RAStenosis
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systolic-diastolic
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most DVTs are from...
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proximal vein thromboses (above the knee)
a much small proportion are from calf veins |
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tx of acute hep b?
tx of fulminant hepatic failure? |
interferon or lamivudine
fhf - transplant |
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pt has atypical pneumonia with hyponatremia - how to dx it?
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legionella - can do urine antigen test. culture isn't very reliable but you can do it if you have to.
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pathophys of malignant hyperthermia after halothane or succinylcholine admin
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uncontrolled efflux of calcium from sarcoplasmic reticulum
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bleeding from angiodysplasia (in colon) is controversially associated with...
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aortic stenosis
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what renal side effect does IV acyclovir have?
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crystalluria resulting in renal tubular obstruction
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if pt has bilateral symptoms of the lower extremity with UMN lesions - where is the lesion?
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spinal cord!
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what is Dressler syndrome and tx?
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post-MI pericarditis due to immunologic phenomenon.
tx with nsaids. |
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causes of increased osmolar gap (expected osmolarity >10 compared to the measured)
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ethylene glycol pois (envelope/rectangular crystals), methanol, ethanol
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outflow obstruction in HOCM is due to...
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hypertrophic interventricular septum and amnormality in mitral valve leaflets
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what is leukoplakia?
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hard to remove white patches in oral mucosa often due to chronic irritation (smoking, alcohol, dentures) that can progress to SCCarvinoma
can't be removed by scraping |
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MCC painless hematuria in an adult
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bladder tumor
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pt has cystinuria - what test is positive and what do the crystals look like?
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positive urinary cyanide nitroprusside test
hexagonal crystals |
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extrarenal manifestations of ADPKD
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hepatic cysts. berry aneurysms. MV prolapse and aortic regurg.
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diffusion capacities in emphysema and chronic bronchitis
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decreased in emphysema (due to loss of alveoli)
normal in chronic bronchitis |
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tx of acute phase of Reiter syndrome
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nsaids
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when can you use winter's formula?
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metabolic acidosis (not alkalosis)
for alkalosis, do PaCO2=(0.9 * bicarb) + 16 |
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what side murmurs increase on expiration?
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left
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can a pt with a PE have elevated cardiac enzymes?
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yes - assoc with poorer outcomes too
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what type of polyp is most likely to become malignant?
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sessile villous one
tubular is LEAST likely. tubulovillous is in the middle. |
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De Quervain tenosynovitis typically affects...
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new mothers - due to holding baby with thimbs abducted and extended`
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how to confirm dx of vasovagal syncope?
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tilt table testing (possible with provocation with isoproterenol)
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does a benign teratoma make tumor markers? (e.g. afp or beta hcg)
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no
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type of cardiac manifestation of hereditary hemochrom
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dilated or restrictive cardiomyopathy leading to heart failure or conduction abn
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suspect melanoma - next step for the skin lesion?
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excisional biopsy of all of it with NARROW margins so you don't mess up the lymph and can ID the sentinal node later on if you have to
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how to tell if ascites fluid is transudate or exudate
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if ascites fluid albumin content is 1.1 greater than serum, it is transudate (portal HTN)
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common complication of CABG and how to tx it
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atrial fibrilliation
if unstable - DC cardioversion if stable - pharm (e.g. digoxin) |
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how to further differentiate partial seizures (discrete focus of brain is where it arises from)
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if loss of consciousness, it is either complex or has "secondary generalization"
complex - automatisms (e.g. chewing, moving hands, lip smacking) secondary generalization - tonic-clonic (e.g. tongue biting) |
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how do you confirm the dx of squamous cell ca of skin
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punch bx
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pt has GI complaints, then tons of edema, myositis, splinter hemorrhages, and eosinophilia. Dx?
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tichinellosis
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pt has CD4 count < 50 and needs MAC prophylaxis - what med?
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azithromycin
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which muscles are classically spared in polymyositis?
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mastication and facial expression
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how to dx goospastures dz
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renal biopsy - will see linear IgG against BM
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what is the chance of malignancy in a thyroid nodule that takes up lots of iodine?
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very low
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causes of foot drop (3)
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peripheral neuropathy
trauma to common peroneal nerve or radiculopathy to any of the spinal roots that contrib that the common peroneal nerve congenital (e.g. Charcot-Marie-Tooth) |
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most common cancers to met to liver
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GI tract cancers, lung, breast, skin (melanoma)
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levels of calcium, phosphorus, and PTH in pts who have osteoporosis or Pagets.
how about osteomalacia? |
osteopor or pagets - al lnormal
malacia - increased pth but low calcium and low phos (because low vit d is the real issue) |
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do the spinothalamic tracts cross in the spinal cord?
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yes! they cross very early. so sx are contralat
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what meds can cause pancreatitis?
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valproic acid, diuretics, IBD drugs (sulphasalazine, 5-ASA), immunosupp. agents (azathioprine)
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important thing to remember regarding lab for G6PD activity
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it is often normal during the hemolytic episode (e.g. after sulfa or fava beans)
will see bite cells or Heinz bodies |
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pt has basal cell ca with highrisk features or in functionally critical area - tx?
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mohs surgery (1-2 mm margin resection)
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Extra-hepatic complic of Hep C
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cryoglobulinemia
b cell lymphoma plasmacytomas Sjogrens syndrome/thyroiditis lichen planus porphyria cutanea tarda ITP membranoproliferative glomerulonephritis |
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crypt abscesses seen with crohns or uc?
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uc
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normal anion gap
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6-12
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define the following stages of chemo
adjuvant consolidation induction maint neoadjuvant salvage |
adjuvant - tx in addition to the standard (e.g. radiation + radical prostatectomy)
consol. - after induction to further decrease tumor burden induction - intial dose to get <5% tumor burden maint - after induc and consol (e.g. daily antiandrogen for prostate ca) neoadjuvant - tx before standard treatment (e.g. radiotherapy BEFORE radical prostaectomy) salvage - addtl tx after standard therapy fails |
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skin lesion assoc with behcet syndrome
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erythema nodosum (also with ibd)
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test for behcets disease
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they have a positive pathergy test
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vit deficiency assoc with carcinoid syndrome
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need tryptophan to make all the serotonin. tryp also needed for niacin synthesis, so niacin levels are low
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if high suspicion for PE and no contraind for anticoag - next step?
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start heparin and THEN order the CT
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hiv pt has lesions that are bright red, firm, friable, exophytic (growing outward) - dx?
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bacillary angiomatosis
in contast, Kaposi lesions are plaque nodules that are light brown, pink, or dark violet. |
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lumar osteoarthritis results from...
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disc degen.
in contrast, ank spond, which gets better as day goes on, is from apophyseal joint arthritis |
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what is hepatolenticular degeneration
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wilsons dz
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manifestations of wilsons dz
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k-f rings
hemolytic anemia + neuropathy (fanconi syndrome) parkinson-like features |
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oral ___ can limit copper absorption
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zinc
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is aldo secretion dependent on acth
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no
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is ipratropium more effective in copd or asthma?
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copd
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pathologic change in kidneys in someone who chronically uses analgesics
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papillary necrosis (ischemia induced by vasoconstriction of medullary blood vessels)
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mucocut. ulcers and skin rash more likely with mono or hiv?
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hiv
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difference btwn central cord syn and ant cord syn
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central - just arms affected
ant - everything below the lesion both mess up motor and pain/temp |
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difference btwn inevitable abortio nand missed
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inev - cervix is dilated
missed - closed cervix |