ABIM Internal Medicine Board Review - Infectious Disease (Questions with Verified answers)

ABIM Internal Medicine Board Review - Infectious Disease (Questions with Verified answers) Bacterial meningitis - treatment in beta-lactam allergic patients - Moxifloxacin + Bactrim Brain abscess - treatment - Cephalosporin + Flagyl Encephalitis, choreoathetosis, psychiatric symptoms, seizures, autonomic instability - Autoimmune encephalitis Check anti-NMDA receptor antibody Organism - sepsis, cellulitis, hemorrhagic bullae, saltwater fish or shellfish, cirrhotic - Vibrio vulnificus Organism - chronic nodular infection, fish tanks - Mycobacterium marinum Organism - sepsis following dog bite, asplenic patient - Capnocytophaga canimorsus Organism - symmetric, pink-to-brown patches with thin scale in intertriginous areas - Corynebacterium minutissimum causing erythrasma Treat with topical erythromycin, clarithromycin or clindamycin Organism - ecthyma gangrenosum in neutropenic patient - Pseudomonas Organism - farm animal exposure, flu-like symptoms, atypical pneumonia - Coxiella burnetti (Q fever) Organism - bird exposure, flu-like symptoms, atypical pneumonia - Chlamydophila psittaci Organism - Ohio and Mississippi River Valleys, exposure to bird or bat droppings, patchy pneumonia, small narrow-based yeast - Histoplasma Treat with itraconazole for mild disease Treat with amphotericin for severe disease Organism - Southwest US, pneumonia (may be cavitary), may have erythema nodosum, ↑eosinophils - Coccidioides Treat with itraconazole for mild disease