Infectious:

Question 1

HIV-associated lipodystrophy (HIV on antiretroviral drugs: stavudine, zidovudine): abn lipid, glucose metabolism -> insulin resistance, dyslipidemia, incr risk of CVD

Answer 1

HIV: cut. cryptococcosis (widespread skin papules with umbilications). CD4 <100
-central hemorrhage

Question 2

Most accurate initial dx test for primary syphilis: darkfield microscopic exam.

Answer 2

2

Question 3

TMP-SMX: CIx during preg (cause neonatal kernicterus)

Answer 3

3

Question 4

West Nile virus:

arbovirus. transmitted by mosquitoes (summer- early fall). Meningitis

Answer 4

Viral meningoencephalitis: Entertovirus (coxsackievirus), HSV, Arbovirus (West Nile)

Question 5

Dengue fever:
Classic dengue: “break-bone fever”, retro-orbital pain
Dengue hemorrhagic: thrombocytopenia (<100k), bleeding (-> shock), positive tourniquet test (petechiae) *circulatory failure (plasma leakage -> shock)

Answer 5

4

Question 6

Parvovirus B19:
Flu-like sx (fever, myalgia), Arthralgia (symmetric, small). *AA
Slapped cheek: mildly pruritic rash on her face, arms, and legs developed around the same time as the joint symptoms. *Lacy rash.
Px: self-limiting, no long-term sequelae

Answer 6

5

Question 7

Croup (laryngotracheitis):
Tx: Mild (no stridor at rest): humidified air ± corticosteroids
-Moderate/severe (stridor at rest): corticosteroids + nebulized epinephrine

Answer 7

6

Question 8

VZV:
Localized infection - standard precautions and lesion covering
Disseminated infection - standard precautions plus contact and airborne precautions

Answer 8

7