Infectious Disease Exam

Histoplasmosis Fungal infection linked to bird droppings or bat guano blastomycosis fungal infection linked to soil exposure or dust exposure 00:04 01:09 Coccidioidomycosis AKA san Joaquin valley fever & assoc. with erythema nodosum PCP pneumonia most common opportunistic infection in AIDS patients bactrim treatment of PCP pneumonia cryptococcus most common cause of fungal meningitis cryptococcus positive india ink Aspergillosis "halo sign" or "fungus ball" on CXR malaria periodic chills, fever, & sweats toxoplasmosis head CT shows "ring-enhancing lesions" toxoplasmosis causes reactivation in AIDS pts after exposure to cat litter Herpes zoster (shingles) vesicular/pustular lesions in dermatomal distribution HSV recurrent vesicular outbreaks in same spot post-herpetic neuralgia Most common long-term complication of herpes zoster HHV-8 Cause of kaposi's sarcoma rabies pain at bite wound followed by paresthesias rabies negri bodies on brain tissue ELISA Screening test for HIV western blot confirmatory test for HIV HAART (2 NRTIs + 1 PI) treatment for HIV Rocky Mountain Spotted Fever red macular rash appears on wrists & ankles after few days of fever, the spreads centrally tetanus pt presents with jaw muscle spasm (trismus) & dysphagia Tetanus vaccine + TIG + metronidazole treatment for tetanus infection botulism "floppy baby syndrome" Botulism pt with diplopia, dry mouth, muscle weakness & respiratory paralysis after eating canned food products or honey lyme disease Erythema migrans (bull's eye rash) rash after tick bite Early: doxycycline Late: Ceftriaxone treatment for lyme disease