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88 Cards in this Set

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Define benign prostatic hyperplasia
Hyperplasia of the stroma and epithelium in the periurethral transition zone
Differential diagnosis for BPH
Prostate cancer, urethral obstruction, bladder neck obstruction, neurogenic bladder, cystitis, prostatitis
Investigations for patient presenting with BPH
DRE (size symmetry, nodularity, texture)
Urinalysis for microscopic hematuria
Serum PSA (<4 ng/mL normal, >10 ng/mL abnormal)
Creatinine, BUN, post void residual U/S
voiding diary
Describe the symptoms of BPH
FUNWISE - frequency, urgency, nocturia, weak stream, intermittency, straining, emptying feeling incomplete
Which medications should be avoided or monitored in patients with BPH?
Antihistamines, diuretics, antidepressants, decongestants
Describe the treatment of BPH
Mild-moderate symptoms - fluid restriction, pelvic floor exercises, bladder retraining, medication change
Moderate-severe symptoms (1) α-receptor antagonists (eg. tamsulosin/Flomax) relax smooth muscle (2) 5-α reductase inhibitor (eg. finasteride/Proscar) only for patients with demonstrated prostate enlargement due to BPH, inhibits enzyme responsible for conversion of testosterone to DHT thus reducing growth of prostate
Define acute bronchitis
Acute infection of the tracheobronchial tree causing inflammation leading to bronchial edema and mucus formation
Describe the etiology of acute bronchitis
80% viral: rhinovirus, coronavirus, adenovirus, influenza, parainfluenza, RSV
20% bacterial: M. pneumoniae, C. pneumoniae, S. pneumoniae
When is a CXR indicated in acute bronchitis?
Cough > 3 weeks, abnormal vital signs, localized chest findings, CHF
What is the differential diagnosis of acute bronchitis
URTI, asthma, sinusitis, pneumonia, bronchiolitis, pertusis
What is the management of acute bronchitis
Primary prevention: hand washing, smoking cessation
Symptomatic relief: rest, fluids, humidity, analgesics and antitussives as required
Note: Probably viral so no antibiotics unless elderly, co-morbidities, or suspected pneumonia
What features help differentiate between bacterial and viral causes?
Bacterial infections give a higher fever, excessive amounts of purulent sputum production and may be associated with COPD.
List the cardiac and pulmonary DDx for chest pain
Cardiac - angina*, MI*, pericarditis*, myocarditis, aortic dissection*, endocarditis
Pulmonary - pneumonia, pneumothorax*, PE*, pulmonary htn, lung Ca
List the GI, MSK/neuro, and psycholgic DDx for chest pain
GI - GERD, PUD, esophageal spasm, cholecystitis, perforated viscus*, hepatitis
MSK/neuro - costochondritis, intercostal strain, arthritis, rib fracture, herpes zoster
Psych - anxiety, panic, depression
Describe the effects and mechanism of action of nitroglycerin
-nitroglycerin is a type of nitrate
-nitrates are converted to nitric oxide in the mitochondria, nitric oxide is a potent natural vasodilator
-at low doses nitroglycerin dilates veins more than arteries (decrease preload)
-at higher doses it also dilates arteries (decrease afterload)
Describe the treatment algorithm for stable ischemic heart disease
1. lifestyle modification and manage comorbid disorders
2. ASA 81 mg PO OD, β-blocker for all post-MI or HF, ACEi for patients > 55 or with any coincident indication, statin for patients with coronary artery disease
3. β-blocker for all, sublingual nitrate for prophylaxis and acute symptom relief
4. long acting nitrate +/- CCB
Note: move to next step if symptoms persist.
Define the common cold
Viral URTI with inflammation
aka acute rhinitis or URTI
Etiologies of the common cold
Rhinovirus (30-35%), coronavirus, adenovirus, RSV, influenza, parainfluenza, coxsackie virus
Incubation period, duration, and method of transmission of the common cold?
Incubation: 1-5 days
Symptoms peak 1-3 days and usually subside within 1 week
Transmission: person-person contact via secretions or droplet
Symptoms of the common cold
Local: nasal congestion, clear to mucopurulent secretions, sneezing, sore throat, conjunctivitis, cough
General: malaise, myalgias, mild fever
Compare and contrast cold vs flu
Flu - sudden onset, higher fever, severe, exhaustion, worse cough, no sore throat, no runny nose, achy, chills, decreased appetite
Cold - slow onset, no fever, mild exhaustion, +/- cough, sore throat, runny nose, less headache, no chills, normal appetite
What are the absolute contraindications for OCP use
Pregnancy, undiagnosed vaginal bleeding, thromboembolic disorder, cerebrovascular or coronary artery disease, breast/uterine tumor, impaired liver function, congenital hypertriglyceridemia, smoker > 35 yrs old, migraines with focal neurological signs, uncontrolled htn
Differential diagnosis of cough
Upper airway cough syndrome (postnasal drip)
Asthma
GERD
Non-asthmatic eosinophilic bronchitis
ACEi
Investigations to rule out reversible causes of dementia
CBC, electrolytes, creatinine, liver enzymes, B12, TSH, glucose, serum Ca, folate,
Describe pharmacologic therapy for dementia
NMDA receptor anatgonists and cholinesterase inhibitors slow rate of cognitive decline
Quick screening questions for depression
Are you depressed?
Have you lost interest or pleasure in things you usually like to do?
Do you have problems sleeping?
What should be ruled out before the diagnosis of depression is made
Early dementia, hyper/hypothyroidism, DM, liver failure, renal failure, vitamin def, anemia, medication side effect, mono, menopause, cancer
List criteria for depression
MSIGECAPS - depressed mood, increased/deceased sleep, decreased interest, guilt, decreased energy, decreased concentration, increased/decreased appetite, psychomotor agitation, suicidal ideation
Need 5/9 including anehonia and depressed mood for > 2 weeks.
Describe common medications and doses for depression
sertraline (Zoloft) - 50-200 mg PO OD
fluoxetine (Prozac) - 20-80 mg PO qAM, first line for teens
bupropion (Wellbutrin) - 100-400mg PO qAM, less side effects
Describe the diagnostic criteria for DM
One of the following on 2 occasions:
-random BG > 11.1 mmol/L with symptoms
-fasting BG > 7.0 mmol/L
-2h post 75 g OGTT > 11.1 mmol/L
-HbA1c >6.5%
What screening should be done for DM
Fasting blood glucose in everyone >40 q3yrs
More frequent and earlier if risk factors
What are the goals of DM treatment for fasting glucose, postprandial, HbA1c, BP, and LDL
-fasting or preprandial glucose 4-7 mmol/L, inadequate if > 10 mmol/L
-2h postprandial glucose 5-10 mmol/L
-HbA1c < 7.0%, inadequate if > 8.4%
-BP < 130/80
-LDL < 2.0 mmol/L
What are the long term complications of DM
microvascular: retinopathy, nephropathy, neuropathy
macrovascular: CAD, CVD, PVD
Describe the initial management of hyperglycemia in type 2 DM
1. if A1c < 9 % wait 3 mo to see what effect lifestyle intervention (nutrition and exercise) has on A1c
2. If A1c > 9% initiate metformin immediately +/- another agent or insulin
3. If symptomatic hyperglycemia or metabolic decompensation initiate insulin +/- metformin
What agents can be used if DM targets are not met with metformin
α-glucosidase inhibitor, DPP-4 inhibitor, insulin, insulin secretagogue, TZD
What other medications should be considered for patients with diabetes
-ACEi for all htn diabetics and those with microalbuminuria (30-300mg albumin in 24 h)
-ASA for all diabetics without contraindications
-statins to attain LDL < 2.0 mmol/L
What features of diarrhea make it more likely to be bacterial vs viral?
Fever and bloody stools increase probability of bacterial infection
Differential diagnosis of chronic diarrhea
Drugs (laxitives, antibiotics), infection (bacteria, parasite), inflammation (IBD, diverticulitis), neoplasia, malabsorption/maldigestion, IBS, idiopathic
Describe nonspecfic treatment for diarrhea
-antidiarrheal opiates (loperamide/Imodium) - most effective
-increase fibre
-fluids
Which bugs are tested for on stool C & S
Campylobacter, Salmonella, Shigella, E. coli
What are the indications for antibiotic therapy in acute diarrhea
-septicemia
-fever with fecal blood or leukocytes
-always: Shigella, V. cholerae, C. difficile, travellers diarrhea, E.coli, Giardia,
-maybe: Salmonella, Yersina, Camplobacter
-always treat Salmonella typhi
Routine bone density screening is recommended for
Women aged 65 and over, and younger women with risk factors
What is the difference between vertigo and nonvertiginous dizziness?
Vertigo (vestibular) - world seems to revolve around individual or individual has the sensation of revolving in space
Nonvertiginous - feel light-headed, giddy, dazed, mentally confused, or disoriented
Describe an approach and DDx for vertigo
Vertigo can be central (15%) or peripheral (85%)
Central - brainstem or cerebellar -> tumour, stroke, drugs, MS
Peripheral - inner ear or vestibular nerve -> idiopathic, meniere's, BPPV, acoustic neuroma, trauma, drugs labrynthitis
What should be included in the basic workup of hypertension
Creatinine, electrolytes, urinalysis, ECG, fasting glucose, lipids,
Note: currently there is insufficient evidence for or against routine testing of microalbuminuria.
What lifestyle changes effect blood pressure and what results can be expected from these changes?
DASH diet - decrease by approx. 10 mm Hg
Aerobic exercise, reduce EtOH by 3 drinks, reduce weight by 10 lbs, reduce sodium to 2.4g/d - decrease by approx. 5 mm Hg
Note: stopping smoking doesn't decrease blood pressure but it decrease CV risk.
What are the blood pressure targets for patients with and w/o diabetes
Without diabetes <140/90
With diabetes <130/80
How often should patients with uncontrolled blood pressure be assessed?
Every 2 months
What combinations of antihypertensives are not recommended?
ACEi + ARB should not be used.
ACEi + CCB is preferable over ACEi + thiazide.
Beta-blocker + ACEi/ARB should not be used unless there is a secondary indication for using the beta-blocker.
When should a patient be referred to a hypertension specialist?
If blood pressure is still not controlled after treatment with 3 antihypertensives.
Which patient group is beta-blockers inappropriate? ACEi?
Beta-blockers not recommended for patients > 60 yrs old.
ACEi not recommended for black patients.
What is the first line monotherapy for htn in a diabetic and isolated htn?
Diabetic - ACEi or ARB 1st line. Add CCB if need 2nd drug.
Isolated - thiazide diuretic 1st line but ACEi, BB, CCB, ARB all appropriate.
What is the therapy for htn in patients with coronary artery disease, recent MI, heart failure, LVH, and past stroke or TIA.
Coronary artery disease - ACEi or ARB, beta-blocker for patients with stable angina.
Recent MI - ACEi + beta-blocker.
Heart failure - ACEi + beta-blocker +/- aldosterone antagonists.
Past stroke - ACEi +/- diuretic.
What is the treatment of hypertension in non-diabetic chronic kidney disease patients? What is the treatment target?
Target <140/90
Non-diabetic CKD - ACEi if there is proteinuria. Carefully monitor K
What is the name and dose of thiazide type diuretics.
Chlorthalidone - 12.5-50 mg OD
Hydrochlorothiazide - 12.5-50 mg OD
What are some of the side effects of thiazide-type diuretics?
Hyperuricemia, hypokalemia, hypomagnesemia, hyperglycemia, hyponatremia, hypercalcemia, hypercholesterolemia
What is the dose of loop diuretics?
furosemide - 20-160 mg bid
What are common names and doses of ACEi?
Enalapril - 2.5-40 mg in 1 or 2 doses
Ramipril - 1.25-20 mg in 1 or 2 doses
What are the side effects of ACEi?
Cough, hypotension, rash, acute renal failure, angioedema, hyperkalemia
What are common names and doses of CCB?
Amlodipine - 2.5-10 mg OD
Verapamil - 120-480 mg in 1 or 2 doses
Diltiazem - 120-540 mg OD
What are the common side effects of CCB?
Dizziness, headache, edema.
Amlodipine - flushing, tachycardia, rash
Verapamil/Diltiazem - AV block, bradycardia, HF
What are common beta-blocker names and doses?
Atenolol - 25-100 mg in 1 or 2 doses
Metoprolol - 50-200 mg in 1 or 2 doses
Propranolol - 40-240 mg in 2 doses
Labetalol - 200-1200 mg in 2 doses
What are the side effects of beta-blockers?
Fatigue, depression, bradycardia, erectile dysfunction, decreased exercise tolerance, heart failure
In which patients is use a beta-blocker for hypertension indicated?
Migraine, angina, post MI, heart failure.
What are 2 quick screening questions for domestic violence?
1. In general how would you describe your relationship? - Lot of tension, some tension, or no tension.
2. Do you and your partner work out arguements with...? - Great difficulty, some difficulty, or no difficulty.
Lot of tension or great difficulty make intimate partner violence exposure likely.
Also "Do you feel safe at home?"
DDx for dyspepsia
Common: peptic ulcer disease, gastroesophageal reflex disease, gastritis, functional
Others: cholelithiasis, IBD, esophageal or gastric cancer, pancreatitis, pancreatic cancer, Zollinger-Ellison syndrome
Define cholelithiasis and choledocholithiasis
Cholelithiasis refers to the presence of gallstones in the gallbladder.
Choledocholithiasis refers to stones within the common bile duct.
What investigations should be ordered for dyspepsia?
Testing for H. pylori with urea breath test, endoscopy (preferred) or upper GI series. a
DDx of dyspnea
Pulmonary - COPD, asthma, pneumothorax, pneumonia, restrictive lung disease
Cardiac - CHF, CAD, MI, cardiomyopathy, valve dysfunction, pericarditis, arrhythmia, hypertrophy
Other - neuromuscular, metabolic, anxiety, panic attack, trauma, pain,
When do you treat UTI? What investigations can/should be ordered?
When history and physical consistent with UTI treat empirically.
Urinalysis/dipstick: positive for nitrites or leukocytes
Urine R & M: pyuria, bacteriuria, hematuria
Urine C & S
Which patients should be considered for prophylactic antibiotics for UTI?
Patients with >3 UTI's per year
What is the name of the area affected by anterior and posterior epistaxis?
Anterior: Little's area/Kiesselbach's plexus
Posterior: Woodruff's plexus/sphenopalatine artery
What is the treatment of anterior epistaxis?
Forward lean with direct pressure.
Silver nitrate
Gelfoam/Hemostat
Nasal packing with vaseline gauze
Cotton soaked with vasoconstrictor and anesthetic
I
Common etiologies of erectile dysfunction?
Organic: vascular (90%) (arterial insufficency, atherosclerosis), endocrine (low T, diabetes), medications (clonidine, anti-htn, SSRI)
Psychogenic (10%)
What investigations should be done in a patient with new ED?
fasting glucose, HbA1c, lipids,
testosterone, prolactin, LH
TSH, CBC, urinalysis
What is the pharmacologic treatment of erectile dysfunction? What are the side effects?
Phosphodiesterase type 5 inhibitors:
sildenafil (Viagra) 25-100mg/dose
tadalafil (Cialis) 5-20mg/dose
Side effects include flushing, headache, indigestion.
Take 0.5-4 hours prior to intercourse.
What are red flags for fatigue?
Fever, night sweats, weight loss, neurologic deficits, ill appearing.
DDx for fatigue
Depression, anemia, hypothyroidism, diabetes, substance abuse, sleep disorder, life stresses, drugs
DDx for fever
Infection
Cancer - leukemia, lymphoma, other malignancies
Medications
IBD, collagen vascular disease, DVT
DDx of joint pain
Non-articular: bursitis, tendonitis, fibromyalgia, polymyalgia rheumatica
Inflammatory articular
seropositive: RA, SLE, scleroderma, polymyositis,
seronegative: ankylosing spondylitis, IBD, psoriatic arthritis, reactive arthritis
crystal: gout, pseudogout
infectious: gonococcal, non-gonococcal
degenerative: osteoarthritis
other: metabolic, hemophiliac, trauma
What are the features of a migraine?
POUND
Pulsatile quality
Over 4-72 hours
Unilateral
Nausea and vomiting
Disabling intensity
What is the treatment of acute migraine?
1. acetaminophen, ASA, +/- caffeine
2. NSAIDs
3. 5HT agonists (triptans), ergotamine, +/- antiemetic
What is the prophylactic therapy for migraine?
1. beta-blocker
2. TCAs
3. anticonvulsants
DDx of headache
Primary - tension, migraine, cluster
Secondary - Meningeal irritation, increased ICP, temporal arteritis, subarachnoid hemorrhage
What are the characteristics of cluster headache?
<3 h at a time
sudden, unilateral, severe, usually around eye
constant, aching, stabbing
Patient often paces
May see red watery eye, rhinorrhea, ptosis
frequently awakens patient
Acute treatment of cluster headache
High flow O2
Sumatriptan (nasal or injection)
Prophylactic therapy for cluster headache
Verapamil, lithium, prednisolone
Red flags for headache
Sudden onset severe headache, worst headache ever, new headache after age 50, headache present on awakening, impaired mental status, fever, neck stiffness, seizures, focal neurologic signs, jaw claudication, scalp tenderness