Filamentous Bacteria Flashcards
Nocardia
general acquisition
inhalation, cutaneous exposure
Nocardia
general sx
necrosis
abscess
Nocardia
predisposing
leukemia
organ transplant
AIDS
steroids
Nocardia
DZs
pulmonary
CNS infx’n
skin infx’n
occular infx’n
Nocardia
pulmonary infx’n
N. asteroides
sx: pneumonia, cavity, nodules
brain abscess + CNS fx
Nocardia
cutaneous infx’n
N. brasilliencis, N. otitidiscavarium
mycetoma, abscess, cullulitis, hemat
dx: poor gram+ stain, partial acid-fast, culture
Nocardia
Tx
ABX: sulfisoxazole, trimethroprim-sulfa, imipenem OTHER: surgical debridement N. farcinica sulfa resistant
Actinomyces
infxn’s
endogenous, no person-person
URI, GI, Fem GU
generally low potency
Actinomyces
morphology
non-spore Gram+ bacilli; non-acid fast
branching filaments
faculatative/strict anaerobes
slow-growing in anaerobic conditions
Actinomyces
spp
israelii naeslundii viscosus odontolyticus pyogenes meyeri
Actinomyces
infxn’s
pulmonary cervicofacial abdominal pelvic CNS
Actinomyces
Sx
multiple abscesses
sulfur granules
fibrosing granulation
woody induration
Actinomyces
Tx
ABX:
penicillin, tetracycline, erythromycin, clindamycin
OTHER:
surgical debridement
