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High-altitude cerebral oedema — RCPSC EM MCQ

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ModerateEnvironmental emergenciesHigh-altitude cerebral oedemaRCPSC EM

A 28-year-old traveller returns from a rapid ascent with severe headache, ataxia, confusion, and vomiting. Oxygen saturation is 78% at altitude. Portable oxygen is available and descent is possible. What is the most appropriate initial management?

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Correct answer: AImmediate descent, oxygen, and dexamethasone

Ataxia and confusion after rapid ascent indicate high-altitude cerebral oedema. Immediate descent, oxygen, and dexamethasone are key treatments.

Reference: Wilderness Medical Society altitude illness guidance