Dictionary of Human Evolution and Biology

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Acute Mountain Sickness

Condition caused by exposure to high altitude in which symptoms appear in a few hours that include fatigue, dizziness, breathlessness, headache, nausea, vomiting, insomnia, impairment of mental capacity and judgment, and prostration. Not persistent; during acclimation the body makes several physiological adjustments in breathing rate and red cell mass, and these symptoms abate.

Cf. altitude sickness, chronic mountain sickness.

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