mountain sickness(redirected from Altitude illness)
Also found in: Thesaurus, Medical, Encyclopedia.
Altitude sickness brought on by the diminished oxygen pressure at mountain elevations.
1. (Pathology) Also called: altitude sickness nausea, headache, and shortness of breath caused by climbing to high altitudes (usually above 12 000 ft)
2. (Veterinary Science) vet science a disease of cattle kept at high altitude in S and N America, characterized by congestive heart failure
a disorder associated with the low oxygen content of the atmosphere at high altitudes, in acute conditions resulting in prostration, shortness of breath, and cardiac disturbances.