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Frostbite — RCPSC EM MCQ

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ModerateEnvironmental emergenciesFrostbiteRCPSC EM

A 33-year-old hiker has pale numb toes after 6 hours in sub-zero temperatures. There is no refreezing risk after arrival, pulses are present, and no blisters have formed. Core temperature is normal. What is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: E — Superficial frostbite without refreezing risk

Superficial frostbite without refreezing risk is correct: the clues indicate Frostbite and this option addresses the immediate ED priority. The distractors delay care, target a less likely problem, or are unsafe in this physiology.

Reference: Canadian frostbite emergency practice