Deck 1 Flashcards
Osmotic stool gap calculation
290 - 2(Na +K)
What does stool osmolal gap >125 indicate?
Osmotic diarrhea (ex sorbitol)
What does stool osmolal gap <50 indicate?
Secretory diarrhea (crohns, celiac, neuroendocrine, etc)
How do you treat neurosyphilis?
Penicillin G x14 days
How do you treat neurosyphilis?
Penicillin G x14 days
How do you treat early syphilis? (<100 days)
Penicillin B x 1
How do you treat late syphilis? (>100 days)
Penicillin B x 3 (late includes tertiary syphilis)
How do you diagnose ALS?
Electrodiagnostic tests, including electomyography (EMG) and nerve conduction velocity (NCV)
Can lacunar strokes cause motor/sensory alone deficits?
YES!
When should you use carotid endarterectomy?
70-99% occlusion
What commonly causes lobar hemorrhagic strokes the elderly?
Amyloid
How to treat acute MS?
IV steroids
How to treat acute MS?
IV steroids
How do you treat Guillain-Barre?
IVIG or plasmapheresis
Besides iron replacement if low ferritin is present, what medication can be given for RLS?
Gabapentin/pregabalin
Who should be screened for syphilis?
High risk sex, MSM, pregnant women
When to screen for osteoporosis?
Women 65 and older
Who should be screened for Cervical cancer
21-65
-HPV +/- cytology Q5y
OR
-Cytology Q3y
Who to screen for breast cancer?
40-74 Q2yr
Screening for BRCA?
If family history or ethnicity associated with BRCA, use risk tool to determine risk then make decision to send for testing
Who should get screened for colon cancer?
45-85yo
If high risk, favor colonoscopy rather than other screening methods
Who should get lung cancer screening?
50-80 (20py within last 15yr)
(20% chance of false positive)
Who should get the pneumo vaccine?
65+ (OR immunosuppression, heart disease, lung disease, DM, and more!)
What BUN:Cr suggests an upper GI bleed?
BUN:Cr >30
Indications for endoscopy for dyspepsia
-anemia
-gi bleeding
-weight loss
-dysphasia
-age >50
-nausea/vomiting
What is the treatment for hpylori
Clarithromycin/amoxicillin/PPI x14 days
How do you test for hpylori eradication?
Urea breath test or fecal antigen test
When do you screen for colon cancer? Interval?
45-85
Normal q10y
Tubular q5-7y
Serrated Q3y
What is HIDA used for?
Cholecystitis
Acalculous cholecystitis
How to treat hot flashes WITH a uterus?
Estrogen AND progesterone (prevent endometrial hyperplasia to cancer)
Be able to identify dry and wet macular degeneration
Characteristics of aortic stenosis (location, how the murmur sounds)
Best heard at RUSB
Has a late-peaking murmur with radiation into the carotids
Possible delayed/diminished carotid upstroke
What is treatment for AS?
-Asymptomatic: consider valve replacement, medical management
-Symptomatic AS +/- LV dysfunction: valve replacement (surgery vs TAVR)
Characteristics of HOCM (location, how the murmur sounds)
Can mimic AS!
-Murmur is loudest with preload-reducing maneuvers (valsalva, standing)
-softer with preload-increasing maneuvers (squatting, leg raise)
Treatment for HOCM
-Maintain volume!
-Nodal blockade (bb, CCB) to maintain preload and/or disopyramide
-Surgery
Characteristics of aortic insufficiency (location, how the murmur sounds)
Best heard at LSB
Early, high-pitched diastolic murmur
Head Bob/nodding
Bounding peripheral pulse
Characteristics of mitral stenosis (location, how the murmur sounds)
-Best heard at apex
-Diastolic low pitched rumbling murmur
-Opening snap after s2 of leaflets are mobile
Characteristics of mitral regurgitation (location, how the murmur sounds)
-best heard at apex
-Holo (mostly), mid, or late systolic murmur
When a woman with hypothyroid gets pregnant, what should you do with her levothyroxine? Why?
Increase dose
Pregnancy causes an increase in thyroid binding globulin and b-hcg increases TSH, both can cause fetal issues
How much is the ideal levothyroxine dosing for a patient? Should you do this with elderly patients or those with cardiac disease?
1.6mg/kg
No, ramp up slowly
What is the preferred antiarrhythmic for afib in 1) no CAD or structural heart disease? 2) LVH? 3) CAD w/o HF? 4) HF? 5) recurrent sxs refractory to meds?
1) Class I
2) Amio
3) Sotalol
4) Amio
5) ablation
When should you refer someone for prostate biopsy?
If PSA >7 and/or abnormal DRE
When to treat hypertriglyceridemia
> 500
What microbe causes hot-tub lung
Nontuberculous mycobacterium (NTM)
What issues can cause compression of the CN II, III, IV, V?
Pituitary apoplexy
Cavernous sinus thrombosis
SAH
In the setting of presumed psuedoachalasia shown via barium swallow, what is the next test to perform?
Endoscopy
What should you do when you suspect a DVT but US is negative and D-dimer is high?
Repeat scan in a couple of days