VII - Other Bacteria Flashcards
Bacteria in undulating fever
Brucella abortus
DOC in Brucellosis
Doxycycline + Rifampin
Brucella transmission
contaminated dairy
Bacteria in Tularemia
Francisella tularensis
Reservoir of Francisella
Rabbits, deer, rodents
Tularemia transmission
ticks (Dermacentor)
DOC for Tularemia
Streptomycin, Gentamicin
Bacteria in bubonic plague
Yersinia pestis
Most virulent bacteria
Yersinia pestis
Morphology of Yersinia pestis
safety pin staining
DOC in bubonic plague
Streptomycin + Tetracyclin
Reservoir of Yersinia
Wild rodents
Clinical finding in bubonic plague
buboes
Transmitted thru animal bites, exhibit bipolar staining
Pasteurella multocida
Assay for drug resistance in Mycobacterium tuberculosis
Luciferase assay
Most imporant virulence factor in TB
Cord factor
TB virulence factor, prevents phagosome-lysosome fusion
Sulfatide
TB virulence factor, elicits delayed hypersensitivity
Tuberculin surface protein
PPD cut-off in low-risk
> 15mm
PPD cut-off in high-risk
> 10mm
PPD cut-off in HIV, AIDS, old TB, immunocompromised
> 5mm
Finding in apical TB, reactivation
Simon’s focus
Causes pulmonary disease in immunocompromised pts, CD4 <50
Mycobacterium avium-intracellulare complex
Reservoir, culture of Mycobacterium leprae
Armadillo
2 types of leprosy
Tuberculoid, Lepromatous
DOC in tuberculoid leprosy
Dapsone + Rifampin
DOC in lepromatous leprosy
Dapsone + Rifampin + Clofazimine
(+) Lepromin test in (tuberculoid? Lepromatous?)
Tuberculoid
Presents with hard swollen sinus tracts in local trauma (jaw, dental)
Actinomyces israelli (Actinomycosis)
DOC in Actinomycosis
Penicillin G
Bacteria with hyphae
Nocardia asteroides
Manifestation of Nocardia in lung and brain abscess
Mycetomas
Smallest free-living organism
Mycoplasma pneumoniae
Provides attachment for Mycoplasma
Toll-like receptor 2 protein
MCC of walking/atypical pneumonia
Mycoplasma pneumoniae