skip to main content

Deep frostbite — RCPSC EM MCQ

Instant feedback + full explanation. One question, done properly.

ModerateEnvironmental emergenciesDeep frostbiteRCPSC EM

A 29-year-old skier presents after cold exposure with numb, waxy, pale toes. The toes are firm, capillary refill is absent, and there are no blisters yet. Core temperature is 36.5°C and pain increases as rewarming starts. What is the most likely diagnosis?

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

Reveal the answer and explanation

Correct answer: A — Deep frostbite

Waxy, hard, insensate distal tissue after freezing exposure is deep frostbite. Management includes rapid rewarming when refreezing risk is absent and specialist advice.

Reference: ACLS/ATLS/PALS principles adapted to Canadian ED practice