APEA Predictor Exam For Nurse Practitioners

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A 72-year-old diabetic patient presents with a red, hot, swollen knee joint with fever and WBC of 18,000. Joint aspiration reveals WBC of 75,000 with 90% PMNs and gram-positive cocci on Gram stain. The diagnosis is:

Pseudogout (calcium pyrophosphate crystal arthropathy) Septic arthritis — a medical emergency requiring immediate joint irrigation and IV antibiotics Rheumatoid arthritis acute flare Gout with secondary infection

Correct Answer:

Septic arthritis — a medical emergency requiring immediate joint irrigation and IV antibiotics

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