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Bone and Joint Infections

Acute Osteomyelitis - Microbial Etiology joint infection, bone infection, osteomyelitis, septic arthritis
Neonate Infant Older osteomyelitis, septic arthritis Chid
Group B streptococcus

S. aureus

Candida sp.

Enterobacteriaceae

other streptococci

S. aureus

S. pyogenes

S. pneumoniae

H. influenzae

S. aureus

S. pyogenes

Salmonella (SSA)

Unusual Organisms and Osteomyelitis

Penetrating trauma: soil organisms, yeast, gram negative

Hemoglobinopathies: salmonella

Brucella: sacroiliitis

IV drug abuse: P. aeruginosa

Chronic Osteomyelitis: Gram negative enteric, Staphylococcus

Fractures, surgery: chronic osteomyelitis

Contiguous Infection: anaerobes (bite, ulcer, sinusitis, mastoiditis)

Fungi: disseminated H. capsulatum, C. immitis

Clinical Manifestations of Osteomyelitis

Fever, limitation of use of involved extremity or area.

Localized swelling, warmth, joint infection, bone infection, osteomyelitis, septic arthritis, osteomylitis