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Acute compartment syndrome — ABEM Board MCQ

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HardMusculoskeletal/Orthopedic emergenciesAcute compartment syndromeABEM Board

A 33-year-old man arrives as ESI 2 after a motorcycle crash. BP 102/64, HR 118, RR 24. He has a deformed thigh, severe pain, pain with passive toe extension, paresthesias, and tense compartments; pulses are palpable. Which of the following is the most likely diagnosis?

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Correct answer: A — Acute compartment syndrome

Severe pain with passive stretch, paresthesias, and tense compartments after trauma indicate acute compartment syndrome; pulses can remain present.

Reference: AAOS trauma guidance; ATLS 10th edition