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Scuba decompression illness — ABEM Board MCQ

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HardEnvironmental emergenciesScuba decompression illnessABEM Board

A 41-year-old diver arrives with joint pain and weakness after a rapid ascent. Triage acuity is ESI 2; BP 128/78 mm Hg, HR 104/min, SpO2 96%. He has paresthesias, ataxia, and mottled skin. Symptoms began within 30 minutes of surfacing. Which of the following is the most likely diagnosis?

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Correct answer: CDecompression sickness

Neurologic symptoms, joint pain, and cutaneous changes after rapid ascent are concerning for decompression sickness.

Reference: Divers Alert Network and Undersea Hyperbaric Medical Society guidance