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103 Cards in this Set
- Front
- Back
CAP TOC
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levofloxacin
gatifloxacin - not ciprofloxacin (poor streptococcal coverage) |
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lumbar spinal stenosis physical findings (4) BPPV
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bilateral leg pain while walking
pain relief on sitting posture-dependent vertebral disc degeneration |
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tx for uncomplicated sinusitis in children < 10
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Amoxicillin
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putamen hemorrhage (CEHHHS)
- % of hypertensive hemorrhages ? - sx ? |
35%
coma eyes deviated away side of lesion hemiparesis hemi-sensory loss hh stupor |
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cerebellar hemorrhage (AFGOV)
- % of hypertensive hemorrhages ? - sx ? |
16%
ataxia facial weakness gaze palsy occipital headache vomiting - no hemiparesis - if no decompression brainstem compression may cause stupor & coma |
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pontine hemorrhage
- % of hypertensive hemorrhages ? |
5-12 %
decerebrate rigidity deep coma & paraplegia w/in minutes no horizontal eye movements pupils pinpoint & reactive |
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no focal neurologic signs
sudden, dramatic headache usu caused by aneurysm & vascular malformations |
subarachnoid hemorrhage
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definition of hypoxemia
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PaO2 < 80
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the 4 categories of hypoxemia
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hypoventilation
low inspired O2 shunting V/Q mismatch |
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nl A-a gradient in a young person
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< 15
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elevated PaCO2
normal A-a gradient |
hypoventilation
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hypoxemia with:
normal PaCO2 normal A-a gradient |
low inspired O2
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normal PaCO2
elevated A-a gradient does not correct with 100% inspired O2 |
shunting
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normal PaCO2
elevated A-a gradient does correct with 100% inspired O2 |
V/Q mismatch
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A-a gradient eqn ?
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PAO2 - PaO2
(Alveolar - arteriolar or ABG) |
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PAO2 (Alveolar eqn) ?
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PAO2 = FiO2(760-47) - PaCO2/.8
- never figured out the 47 |
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elevated A-a regardless of age ?
- causes ? |
> 30
shunting V/Q mismatch |
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causes of V/Q mismatch (2)
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PEmbolism
bronchial asthma exacerbation |
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causes of shunting (3)
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pulmonary edema
pneumonia (expect fever) vascular shunt |
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Adult Treatment Panel 3 (ATP 3) guidelines for hypercholesterolemia depend only on:
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LDL cholesterol
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CAD or CAD risk equivalent LDL mgt.
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goal < 100 mg/dl
> 100 lifestyle mods > 130 drug therapy starts |
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2+ CAD risk factors
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goal < 130 mg/dl
> 130 mg/dl lifestyle mods > 160 mg/dl drug therapy starts |
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0-1 risk factors LDL objectives:
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goal < 160 mg/dl
> 160 mg/dl lifestyle mods > 190 mg/dl drugs |
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risk factors for CAD
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men > 45
women > 55 htn cigarette smoking HDL < 40 family hx premature CAD (male<55 female<65) HDL >60 negates one risk factor |
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CAD risk equivalents (ds that impart an equal risk for MI as having had a previous MI) "PADS-10"
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PAD
AAA DM Symptomatic carotid artery ds 10-yr risk of CAD of > 20% |
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Cholesterol measurement screening tool of the USPSTF.
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total cholesterol
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measurement of 3 or more means
measurement of 2 means categorical data and proportions |
ANOVA
two-sample t test chi-square test |
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Dilation of pulm artery proximal to PE clot and collapse of vessels distal to the clot on CXR.
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Westermark's sign
- pulmonary embolism |
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Pulmonary infiltrates corresponding to areas of pulmonary infarction on CXR in cases of PE.
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Hampton's hump.
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MC finding on CXR in PE ?
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Normal CXR
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PE signs: (AEFHPTTW)
atelectasis elevated D-dimer fvr, cough, hemoptysis Hampton's hump pleural effusion tachypnea tachycardia Westermark's sign |
PE pulmonary embolism
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blunting of costophrenic angles
easily seen on lateral CXR |
pleural effusion
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chronic inflammatory joint ds causes ACD. But chronic ________ joint ds does not.
So a pale elderly person with degenerative joint ds has iron deficiency, no ACD. |
degenerative
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MC anemia in the elderly ?
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IDA
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duodenal atresia
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vomiting in 1st 24-48hr (2 days)
Down syndrome "double bubble" - dilated stomach & duodenum |
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non-bilous projectile vomiting p feeding
palpable olive-shaped abd mass hypochloremic met alk confirm with US |
pyloric stenosis
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recurrent bilious vomiting
abdomen distended dilated bowel with air-fluid levels |
malrotation or atresia
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MC cause of communicating hydrocephalus.
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SAH
- can be caused by intraventricular hemorrhage in a preme. |
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cystic expansion of 4th ventricle
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Dandy-Walker anomaly
- non-communicating hydrocephalus |
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protrusion of structures of posterior fossa through the foramen magnum
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Chiari malformation
- non-communicating hydrocephalus |
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AVN diff. (ACGSS)
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alcoholism
corticosteroid therapy Gaucher's ds sickle cell ds SLE |
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arteries supplying femoral head which lie in the ligamentum teres.
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ascending arteries
foveal artery (becomes obliterated later in life & explains why kids rarely have AVN of the femoral head) |
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AD - positive family hx
spherocytes with loss of central pallor extra-vascular hemolysis = nl haptoglobin |
hereditary spherocytosis
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extra-vascular hemolysis
coomb's postitive nl platelets & RBC counts |
autoimmune hemolytic anemia
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PNH (AIIPPR)
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acquired disorder of hematopoietic cells
intravascular hemolytic anemia ("characterized by") incr reticulocytes & LDH, decr haptoglobin pancytopenia portal vein thrombosis or Budd Chiari syndrome recurrent thrombosis in unusual sites |
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PNH confirmation test.
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expression of GPI-anchored proteins CD55 & CD59 using moabs and flow cytometry
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best means to ID retroperitoneal hemm in hemodynamically unstable person with negative US and diagnostic peritoneal lavage.
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pelvic angiography
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Pt with chronic Hep C (or any chronic liver ds). Tx ?
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Hep A & Hep B vaccination.
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RTI used to tx HIV & chronic Hep B
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Lamivudine (3TC)
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chest cavity
partially acid-fast, G+, branching rod hx of corticosteroids dx ? tx ? |
Nocardia
TMP-SMX |
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monobactam
G- bacteria including Psuedomonas |
aztreonam
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Unlike Nocardia, Actinomyces is:
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anaerobic
cervicofacial ds & sinus tracts demonstrates sulfur granules |
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bilirubin in the urine results from:
mech ? |
conjugated (direct, bound to glucuronide) hyperbilirubinemia
95% of circulating bili is unconjugated - highly soluble in water - bound to albumin - this complex can't get through the glomerulous |
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this is great !!!!!!
95% of circulating bilirubin: (tell story) |
1. unconjugated to glucuronide
2. bound to albumin 3. it can't get through glomerulus so it does not appear in the urine !!!! |
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presence of bilirubin in urine is indicative of:
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conjugated bilirubin
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benign condition caused by defective hepatic storage of conjugated bilirubin
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Rotor's syndrome
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ISH (nl to low diastolic bp) - mech:
tx: |
aterial wall rigidity
HCTZ |
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ring-shaped scaly patches with central clearing on trunk
itching |
Tinea corporis
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Non-cardiogenic pulmonary edema is:
(PCWP would be low) |
ARDS
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ARDs dx:("ABIPP")
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acute dyspnea
bilateral infiltrates on CXR inciting condition (bleed, trauma, toxic injury) PCWP < 18 PaO2 / FiO2 < 200 (ABIPP) |
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fetal hyperinsulinism antagonizes cortisol leading to delay in lung maturation
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Cause of RDS in infant of mother with DM
- However, prematurity is MC cx for RDS |
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Most sensitive indicator of dehydration in the elderly ?
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BUN / Cr
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cause of decubitus ulcer due to pressure on a bony prominence for > 2 hr.
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ischemia
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hyperactive DTRs associated with:
- expect this in early post-op |
hypocalcemia
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prevent gout in chemo induction with:
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allopurinol
(allopurinol, probenicid, colchicine used to prevent gout) (NSAIDs (indomethacin), steroids used during acute attacks) |
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functional disorder of bile formation in 2nd & 3rd trimester
pruritis increased bilirubin |
intrahepatic cholestasis of pregnancy
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cocaine intoxication - use:
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alpha-blockers
(phentolamine) |
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juvenile with epistaxis, local mass, bony erosion
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angiofibroma until proven otherwise
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massive increases in AST & ALT
milder increases in bili & alk phos |
ischemic hepatic injury
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thalassemia trait
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microcytic anemia
mildly elevated reticulocytes RDW, MCHC, TIBC are nl does not respond to Fe therapy |
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1 way to rule out Cardiac Tamponade
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Normal BP.
Usually CT exhibits hypotension. |
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Diff for Kussmaul's sign (CMRRR)
- Think Jane Seymour with Kussmal's |
constrictive peridcarditis
massive PE restrictive cardiomyopathy (think Hemochromatosis) RV infarction rarely pericardial tamponade |
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lasts no more than 4 weeks
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acute stress disorder
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C. difficile vs. bowel ischemia
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C. diff requires 4-5 days.
Ischemic bowel occurs day after surgery. |
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lacunar stroke mech ?
MC site ? Sx ? |
small vessel hyalinosis
posterior internal capsule (corticospinal & corticobulbar fibers) pure motor stroke |
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schizophrenia + mood symptoms
- must be at least 2 wks when psychotic sx are present w/o mood sx mood = major depression, bipolar or mixed |
schizoaffective disorder
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4th leading cause of cancer death in the US
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pancreatic cancer
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migratory thrombophlebitis
(Trousseaus's syndrome) Diff ? (PLPSAC) |
24% pancreatic CA
20% lung CA 13% prostate CA 12% stomach CA 9% acute leukemia 5% colon CA |
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All adults should get this booster every 10 years.
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Td (Tetanus & Diphtheria)
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MC primary malignancy of bone.
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Osteosarcoma
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Normal ESR
Elevated Alk Phos Rare systemic manifestations |
Osteosarcoma
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Definition of RR ?
Null value of RR ? RR > 1 ? RR < 1 ? |
mortality (or incidence) in exposed /
mortality (or incidence) in unexposed 1.0 = no association between risk & ds, CI must not contain Null value. Exposure associated with ds. Exposure decreases disease. |
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How do ACE inhibitors decrease the damage in diabetic nephropathy ?
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they reduce intraglomerular htn and decrease glomerular damage
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order of glomerular damage in DM:
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hyperfiltration causing intraglomerular htn
thickening of the BM (1st change that can be quantified) mesangial expansion |
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ECG changes in Ao dissection result from:
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damage to right coronary ostia
http://www.cvphysiology.com/Blood%20Flow/BF001.htm |
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should be given in females aged 9-26
- 29 is too old ! |
HPV vaccine
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elevated in 21 & 11-hydroxylase def.
decreased in 17-hydroxylase def. |
17-OH progesterone
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MC cx of hypercalcemia in ambulatory pts.
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primary hyperparathyroidism
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Ca levels in 2ndary hyperparathyroidism ?
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Nl to low.
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Nl PTH ?
Nl Phosphorus ? |
8-24 pg / ml
3.0-4.5 mg / dl |
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increased Ca2+ abs in GI tract by
conversion of 25-hydroxyvitamin D to 1,25 dihydroxyvitamin D (calcitrol) |
sarcoidosis
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Due to ADH deficiency or resistance.
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DI
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Tx for nephrogenic DI ? "HINDI"
Tx for Li-induced nephrogenic DI ? "LIAM" Tx for central DI ? Tx for SIADH ? |
Indomethacin, HCTZ
amiloride DDAVP (intranasal desmopressin acetate) Demeclocycline (worsens effect of AVP or ADH on the DCT) |
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Chronic fatigue syndrome requires how long ?
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6 months
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20-50 yrs expect
> 50 years expect |
fibromyalgia
polymyalgia rheumatica (incr ESR) |
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narrow QRS with tachycardia, think:
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supraventricular tachycardia
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follicular occlusion tetrad
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suppurative hidradenitis (axilla, groin)
pilonidal ds (coccyx) dissecting folliculitis of the scalp acne conglobata |
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Name the 4 tumors that don't metastasize to the brain.
Think PrEON. |
prostate cancer
esophageal cancer oropharyngeal cancer non-melanomatous skin cancer |
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Idiopathic Osteonecrosis of the Femoral Head. Children 4-10 yo.
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Legg-Calve-Perthes disease
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long-term neuro sequelae of bacterial meningitis: (HLMSS)
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hearing loss
loss of cognitive fns (neuronal loss in the dentate gyrus of the hippocampus) mental retardation seizures spasticity or paresis http://www.med.umich.edu/lrc/coursepages/M1/anatomy/html/atlas/n1a7p4.html |
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MC cause of atypical pneumonia.
Expect erythema multiforme. |
Mycoplasma pneumonia.
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Name the atypical pneumonias.
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Chlamydia
Coxiella Legionella Mycoplasma (expect erythema multiforme) Influenza |
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The 4 categories of asthma.
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intermittent
mild persistent moderate persistent severe persistent |