MT2 Bugs Flashcards
Folliculitis/furunculosis/carbunculosis
Staph aureus
Impetigo
Group A strep
Staph aureus
Erysipelas
Group A strep (most common)
Group B strep (newborns)
Staph aureus
Cellulitis
Group A strep
Staph aureus
Diabetic foot infections
Staph aureus Beta-hemolytic strep Enterococcus Enterobacteriaceae Pseudomonas Anaerobes
Necrotizing infection (type 1)
Anaerobes
Strep
Enterobacteriaceae
Necrotizing infection (type 2)
Group A strep
Hematogenous osteomyelitis in neonates
Group B strep
Gram negative enterics
Staph aureus
Hematogenous osteomyelitis in children
Staph aureus (MSSA & MRSA)
Group A strep
Rare: Hib, strep pneumo, gram negative enterics
Hematogenous osteomyelitis in adults
Staph aureus
Gram negative enteric
Osteomyelitis spread from head/neck
Staph aureus
Anaerobes
Gram negative organisms
Mixed infection
Osteomyelitis spread from soft tissue infection
Staph aureus
Strep
Osteomyelitis spread from genitourinary system
Gram negative enteric bacilli
Osteomyelitis from penetrating trauma
Pseudomonas
Staph aureus
Monoartricular septic arthritis
Staph aureus
Strep
Gram negative bacilli (elderly and immunocompromised)
Polyartricular septic arthritis
N. gonorrhea
Post-op, post-injection, or post-prosthesis septic arthritis
Staph epi
Staph aureus
Enterobacteriaceae
Pseudomonas
Endocarditis native valve
Strep viridans
Staph aureus
Endocarditis native valve, IV drug user
Staph aureus (MRSA)
Enterococci
Gram negatives
Endocarditis prosthetic valve (<2 months old)
Staph epi
Gram negatives
Endocarditis prosthetic valve (>2 months)
Strep viridans
Staph aureus
Staph epi
Meningitis (0-1 month)
Strep agalactiae
E. coli
Klebs pneumo
Listeria
Meningitis (1 month-50 years)
Strep pneumo
N. meningitidis
Hib (rare bc of vaccine)
Meningitis (>50 years)
Strep pneumo
Listeria
Gram negative bacilli
Malaria
Plasmodium falciparum, vivax, ovale, and malariae
Amebiasis
Entamoeba histolytica
Giardiasis
Giardia lamblia
