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Open joint injury — ABEM Board MCQ

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HardMusculoskeletal/Orthopedic emergenciesOpen joint injuryABEM Board

A 28-year-old man arrives after a circular saw laceration over the knee. Triage acuity is ESI 3; BP 126/78 mm Hg, HR 90/min. The wound is deep with visible capsule, and saline load testing suggests joint violation. Distal pulses and sensation are intact. Which of the following is the most appropriate next step in management?

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Correct answer: C — Give IV antibiotics, update tetanus, immobilize, and consult orthopedics for operative irrigation

Traumatic arthrotomy requires antibiotics, tetanus prophylaxis, immobilization, and operative washout to prevent septic arthritis.

Reference: Emergency orthopedic trauma guidance