UWorld Flashcards
Immunocompromised patient with macules and pustules that go on to become gangrenous ulcers, painless. Dx?
Ecythyma gangerenosum
Classic description of ecthyma gangerenosum
Lesions start out as macules, progress to bullae and vesicles then form punched out gangerenous ulcer, emperic abx treatment indicated
Questions about a woman with HAV and HBV disease living with boyfriend, what method will reduce transmission to her boyfriend
I said Hep B vaccine, the answer was Hep A vaccine since she recently acquired Hep A and it can also be transmitted sexually. The teaching point being people with hep A should have their close relatives get immunized
Expected dispstick finding of someone with pyelonephritis
Positive for nitrites (signifies Enterobaceteriea like E. Coli) and leukocyte esterase (signifies pyuria)
Upper abdominal masses in an asymptomatic man with HTN? What is the best next step
ADPKD, abdominal US
Retinal tears, grayish appearing retina and patient describing her symptoms as curtain coming down her eyes, had cateract surgery 4 months ago
Retinal detachment
Cut off time to give charcoal in acetaminophen toxicity?
4 hours
Does PE cause transudative or exudative pleural effusion?
Exudative, the only things that cause transudative are CHF, nephrotic syndrome and low albumin
What nerve malfunction causes ptosis?
CN III
What are pupil sparing and non pupil sparing CN III palsies?
Most common cause of non pupil sparing CN III palsy? Next best step?
Pupil sparing spare the parasympathetics that are on the outside, caused by both ischemia and compression, non pupil sparing affect both are usually caused by compression. Most common cause of compression by aneurysm, next best step is CT or MR angio
When to use defibrillator and when to use synchronized cardioversion?
Vifb and pulseless Vtach for defibrillator, afib, atrial flutter and Vtach with a pulse should be managed with synchronized cardioversion
CD4 counts for ppx of different infections
< 200 -> pneumocytis, <100 -> toxo, <50 -> mac ppx
First step to do when a male has sexual dysfunction
Next best step?
Check for primary or secondary hypogonadism, in primary testis fnx decrease so FSH and LH are high, in secondary FSH and LH levels are low, if secondary is suspected check prolactin levels
TNJ dysfunction treatment
Conservative first starting with night time teeth guard, surgery if all else fails, NO IMAGING required
Ramsay Hunt syndrome
Herpes zoster infection that causes Bell’s palsy, vesicles are seen in the outer ear
PCP like symptoms lasting for 4 days without syntagmus and unremarkable UDS?
Bath salts intoxication
What nephrotic syndromes are associated with what
FSGN - HIV and IV drug use
Membranous - Adenocarcinoma, NSAIDs, Hep B, SLE
Membranoproliferative - Hep B and C
Minimal change disease - lymphoma, NSAIDs
IgA nephropathy - URI
What nephrotic syndromes are associated with what
FSGN - HIV and IV drug use
Membranous - Adenocarcinoma, NSAIDs, Hep B, SLE
Membranoproliferative - Hep B and C
Minimal change disease - lymphoma, NSAIDs
IgA nephropathy - URI
Anti topoisomerase I antibodies
Systemic sclerosis, diffuse or generalized type
Anti cardiolipin antibodies
Antiphospholipid syndrome/disease
Anti cardiolipin antibodies
Anti phospholipid syndrome/disease
Fat embolism symptoms
Petechia, pulmonary infilterates and AMS
Breath held at certain inspiratory pressure, what does that pressure represent?
Pulmonary compliance
What is painless? HSV or CMV retinitis?
CMV
What is painless? HSV or CMV retinitis?
CMV
Describe CMV retinitis on fundoscopy
yellow-white, fluffy hemorrhagic lesions around the vasculature