A 36-year-old climber returns from the Rockies with headache, ataxia and confusion after rapid ascent. SpO2 is 78% at altitude, temperature is

Question

A 36-year-old climber returns from the Rockies with headache, ataxia and confusion after rapid ascent. SpO2 is 78% at altitude, temperature is normal, and there is no trauma. A portable hyperbaric bag is available while evacuation is arranged. What is the most appropriate initial management?

Accepted Answer

Give oxygen, dexamethasone, and descend or use portable hyperbaric therapy

Answer

Restrict oxygen to preserve respiratory drive

Answer

Observe overnight at the same altitude

Answer

Give antibiotics for meningitis before descent

Answer

Give acetazolamide as sole treatment and continue ascent

High-altitude cerebral oedema — RCPSC EM MCQ

A 36-year-old climber returns from the Rockies with headache, ataxia and confusion after rapid ascent. SpO2 is 78% at altitude, temperature is normal, and there is no trauma. A portable hyperbaric bag is available while evacuation is arranged. What is the most appropriate initial management?