UWorld Flashcards
What is the classic triad and provoking factor of HUS?
AKI, anemia, thrombocytopenia after a diarrheal illness
What should you get for a patient who has had diarrhea and comes in with Hgb 7 acutely, plt 100k, and Cr increased to 1.8 from normal after 1 week of diarrhea? what could this be?
peripheral smear! hemolysis labs! this may be HUS.
What is the K cut off where DKA patients no longer need K added?
5.3 or greater!
What is a normal FEV1?
> 80% predicted
Who should get plavix after stroke?
those who have a stroke on aspirin and have intracranial artery stenosis in carotid siphon, MCA, vertebral, or basilar arteries
What should be done if you think someone has GCA but temporal artery biopsy is negative?
Biopsy the contralateral side and keep treating with steroids
What diagnosis should you consider in someone w/ history of headaches and no hx htn who undergoes a procedure and has onset of severe HTN, tachycardia, and flash pulmonary edema?
Pheochromocytoma
What level of elevation in TB skin test is required to suspect latent or active TB in someone that is a close contact of someone with TB?
> or equal to 5 mm
What cutoff of elevation in TST is used for recent immigrants, IV drug users, residents/employees in high risk setting, or greater risk reactivation (glucocorticoid use, leukemia, ESRD).
> or equal to 10 mm