Pathogens for hematogenous OM Right Ans - S. aureus (most common)
E.coli
Mycobacterium
Pseudomonas
Salmonella
Monomicrobial
Pathogens for contiguous/direct inoculation Right Ans - S. aurues
S. epidermidis
P. aeruginosa, E.colim Proteus, Strep, anaerobes
Polymicrobial or monomicrobial
Pathogens for vascular insufficiency Right Ans - Staph, strep,
enterobactericiae, enterococcus, bacteroides, anaerobes
Polymicrobial
MSSA Right Ans - cloxacillin, cefazolin
MRSA Right Ans - vancomycin
S. epidermidis Right Ans - vancomycin, cloxacillin (if susceptible)
Streptococcus spp. Right Ans - penicillin G, ceftriaxone
Enterococcus spp. Right Ans - ampicillin, vancomycin
P. aeruginosa Right Ans - ciprofloxacin, levofloxacin
anaerobes Right Ans - metronidazole, clindamycin
polymicrobial Right Ans - pip-tazo, clindamycin + ciprofloxacin,
meropenem, ertapemem, imipenem
pathogens for native vertebral osteomyelitis Right Ans - S. aureus (most
common)
gram-negative bacilli, streptococcus spp, mycobacterium tuberculosis