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Acute mountain sickness — DTM&H MCQ

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HardEnvironmental MedicineAcute mountain sicknessDTM&H

After rapid ascent to 3,600 m, a climber has headache, nausea and poor sleep but a normal gait, normal mentation and clear lungs. Which plan is most appropriate?

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Correct answer: BStop ascent, treat symptoms and descend if not improving

The best answer is “Stop ascent, treat symptoms and descend if not improving”. This is acute mountain sickness without current cerebral or pulmonary oedema. Further ascent stops until symptoms resolve; analgesia and acetazolamide may help, while deterioration or failure to improve prompts descent. Ataxia or altered consciousness would make urgent descent mandatory for HACE.

Reference: NaTHNaC TravelHealthPro: Altitude illness: https://travelhealthpro.org.uk/factsheet/26/altitude-illness