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Heat stroke — MCCQE Part 1 MCQ

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ModerateTraumaHeat strokeMCCQE Part 1

A 24-year-old runner collapses during a humid marathon. Rectal temperature is 41.2°C and he is confused with hot skin. Which of the following is the most appropriate next step?

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Correct answer: E — Immediate rapid cooling, preferably cold-water immersion where feasible, plus supportive care

Exertional heat stroke is defined by hyperthermia and CNS dysfunction and requires immediate rapid cooling. Antipyretics do not treat heat stroke because the mechanism is failed heat dissipation, not hypothalamic fever. Cooling should begin as soon as possible while managing airway and circulation.

Reference: Canadian emergency medicine/sports medicine heat illness guidance