6/17/13 Flashcards
What is the SCREWENING test for HIV?
ELISA
Once “potato nodes” are seen on x-ray in a pt suspected of sarcoid, what is the best next step to confirm the dx?
bronchoscopy and biopsy
What is the Tx for symptomatic sarcoidosis?
steroids
Although most pts. w/ IBD present in their 20s or 30s, there is a _______ with a second peak at age 60.
bimodal distribution
What anti-arrhythmic medication would prolong the heart rate as the heart rate increased?
flecainide
What phenomenon explains flecainide’s ability to prolong the QRS complex as the pulse increases?
“use-dependence”
What is the best next step for a small skin lesion suspicious for melanoma?
excisional biopsy w/ narrow borders
What should be done if an excised skin lesion is confirmed as melanoma?
excision of 1 cm borders; if depth greater than 1mm, also sentinal lymph nodes
Gaze abnormalities, vertigo, limb ataxia, sensory loss, and Horner’s syndrome represent a _______ infarct.
lateral medullary (Wallenberg syndrome)
What are the 3 components of Horner’s syndrome again?
ptosis, miosis, and anhidrosis
What pulmonary infection of the immunocompromised may present on CT scan as pulmmonary nodules with a “halo sign” or an “air ccrescent”?
Histoplasmosis
What is the next step when Hx./PE suggest prostatitis?
urine sample
In addition to saline and insulin, what needs to be given to most pts experiencing hyperosmolar hyperglycemic state (HONK)?
K+
_______ is characterized by a hypochromic, microcytic anemia w/ elevated RBC count and a normal RDW. The MCV is generally very low.
Thalassemia
What is the RBC ct in thalassemia?
elevated
