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EMQ EMQ answers 195

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  1. True. Sensitivities as follows: 85% for joint pain, 78% for joint swelling, 57% for fever.1

  2. False. Their sensitivities are poor (75% for both white blood cell count and erythrocyte sedimentation rate)2 and specificities are very poor. Synovial total white blood cell count, percentage polymorphonuclear cells and Gram stain are the most helpful test pending synovial fluid culture.1 3

  3. False.

  4. True. In addition to antibiotics, the successful treatment of …

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  • Emergency Medicine Questions (EMQ)
    BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine