Step I Infectious arthritis

[Enzymes]

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Pathoma says that gonococcal arthritis is #1 cause, followed by staph aureus. Would you go about infectious arthritis the same way you would go about osteomyelitis? Basically, split it up by age group so that:

1. adolescents by definition have gonococcal arthritis of the knee
2. Kids and adults will by definition have staph aureus
3. infants would have haemophilus and group B strep
4. Sickle cell will have salmonella

Just asking b/c I havent encountered too many practice questions on it, and First aid is really vague (p. 426). Thanks friends.

 

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I always thought it was usually S. aureus but if it was a sexually active young adult (question stem), or migratory (young adult or sexually active stem) then you consider gonococcal.

 

[J ROD]

I always thought it was usually S. aureus but if it was a sexually active young adult (question stem), or migratory (young adult or sexually active stem) then you consider gonococcal.

This is what I know too. Staph A is the usual suspect unless you have one of those special persons.