ORGANISMS THAT COMMONLY CAUSE ACUTE
                                 
INFECTIOUS ARTHRITIS
http://www.merck.com/media/mmpe/pdf/Table_039-2.pdf
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PATIENT GROUPS                                  ORGANISM                              TYPICAL SOURCES
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Adults and adolescents




Newborns



Children ≤ 3 yr



Age 3 yr to adolescence



Children with meningitis,
bacteremia, palpable
purpura

All ages







Patients with possible
tick exposure

Patients with bite
wounds


Human




Elderly; patients with
severe joint trauma;
serious disease
(immunosuppression,
hemodialysis, SLE, RA,
diabetes, malignancy)


Dogs or cats



Rats
Gonococci, nongonococcal bacteria
(Staphylococcus aureus, streptococci),
Neisseria meningitidis
in unusual cases

Group B streptococci, Escherichia
coli (and other gram-negative
enteric bacteria), S. aureus

Streptococcus pyogenes, S.
pneumoniae, S. aureus


S. aureus, streptococci, Neisseria
gonorrhoeae, Pseudomonas
aeruginosa, Kingella kingae

N. meningitidis (uncommon)



Viruses (eg, parvovirus B19; hepatitis
B; hepatitis C; rubella virus
[active infection and after immunization];
togavirus; varicella; mumps [in adults];
adenovirus; coxsackie viruses A9, B2,
B3, B4, and B6; retroviruses, including
HIV; Epstein-Barr virus)

Borrelia burgdorferi (causing
Lyme disease)

Often polymicrobial



Eikenella corrodens, group B
streptococci, S. aureus, oral
anaerobes (eg, Fusobacterium sp,
peptostreptococci, Bacteroides sp)

Gram-negative bacteria (eg,
Enterobacter, P. aeruginosa, Serratia
marcescens)





S. aureus, Pasteurella multocida,
Pseudomonas sp, Moraxella sp,
Haemophilus sp,

S. aureus, Streptobacillus moniliformis,
Spirillum minus
Cervical, urethral, rectal, or
pharyngeal infection with
bacteremic dissemination (for
gonococci)

Maternal-fetal transmission;
IV punctures or catheters with
bacteremic dissemination

Bacteremia (eg, otitis media,
URIs, skin infections,
meningitis)

Bacteremia or contiguous
spread


Bacteremia



Viremia or immune
complex deposition






Bacteremia


Direct joint penetration,
usually the small joints
of the hands






Urinary tract, skin