STEP 2: INFECTIOUS DISEASE MISC

Question 1

Pathogens implicated in cervical lymphadenitis

Answer 1

Acute: staph a or strp
Chronic/subacute: mycobac tuberculosis, toxoplasma gondii, francisella tularensis, bartonella henselae

Question 2

tx for bartonella henslae

Answer 2

azithromycin

Question 3

Immigrant with chest discomfort, sob, hemoptysis, and cxr shows enlarged cardiac silouette

Answer 3

Question 4

Pt’s on rifampin for latent TB tx may reduce the bioavailbility of what meds?

Answer 4

warfarin, methadone, OCPs

rifampin is a cyp450 inhibitor

Question 5

TNFa inhibitors increase risk for what infections?

Answer 5

Question 6

Pt on TNFa-i presents with reticulonodular pulm infiltrates with hilar lymphadenopathy. Pt complains of fatigue and weight loss. They have an elevated CRP/ESR, hepatosplenomegaly, bilateral adrenal gland enlargement, and pancytopenia.

Answer 6

Histoplasmosis

adrenal infiltration is rare but can be an important diagnostic clue

Question 7

Prolonged watery (noninflammatory) diarrhea in immunosuppressed patients should make you think…

Answer 7

Question 8

Inflammatory diarrhea in immunocompromised pts

Answer 8

CMV

Question 9

A patient from a resource limited region presenting with bloating, nausea, and diarrhea for several months. Peripheral eosinophilia.

Answer 9

Test stool