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Related to mountain sickness: chronic mountain sickness
1. nausea, headache, and shortness of breath caused by climbing to high altitudes (usually above 12 000 ft.)
2. Vet science a disease of cattle kept at high altitude in S and N America, characterized by congestive heart failure
mountain sickness[′mau̇nt·ən ‚sik·nəs]
A disease occurring in persons living at high altitudes when homeostatic adjustments to the lowered atmospheric oxygen tension fail or develop disproportionately. Also known as high-altitude disease; high-altitude erythremia; Monge's disease; seroche.