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10 Cards in this Set
- Front
- Back
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• What is the typical appearance of a septic joint on physical examination?
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o Think of the cardinal signs of inflammation: rubor, calor, tumor, and dolor
o In other words: red, hot, swollen, and painful. |
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• Describe the characteristic onset of symptoms from a septic joint.
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o Sudden onset without history of trauma.
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• What associated symptoms should you ask about for suspected septic joint?
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o Systemic symptoms such as fever
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• Which organism causes most cases of septic arthritis?
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o Staph. aureus
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• Other than S. aureus, what other organisms are associated with septic arthritis?
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o Coagulase-negative staph. in patients who have had joint replacement
o N. gonorrhea in sexually active patients |
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• Which two pathogenic species of the genus Staphylococcus are coagulase negative?
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o Staph. epidermidis
o Staph. saprophyticus |
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• How should you investigate a suspected septic joint?
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o Joint aspiration, with chemical analysis and C&S of joint fluid
o Be sure to do the aspiration before starting antibiotics |
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• What must you rule out on physical exam in a patient with suspected septic joint?
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o Heart murmurs!
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• What labwork should be ordered to investigate a suspected septic joint?
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o CBC with white cell differential, ESR, CRP
o Blood cultures |
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• What is the treatment of septic arthritis?
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o Immediate surgical debridement plus appropriate systemic antibiotics
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