Medically reviewed by Arno Kroner, DAOM Altitude sickness occurs when air pressure and oxygen levels are reduced at a higher elevation, as in the mountains. It's more likely to occur if you're ...

This condition could be characterized with continued shortness of breath, and "frothy" cough, Corboy said. High altitude cerebral edema, or HACE, is a progression of the headache symptoms. It is ...

such as high-altitude pulmonary edema or high-altitude cerebral edema. These conditions are characterized by fluid accumulation within the tissues of the lungs and brain, respectively, and are the ...

AMS is considered to be a neurological problem caused by changes in the central nervous system. It is basically a mild form of High Altitude Cerebral Edema (see below). Severe AMS presents as an ...

Cerebral edema may occur in both conditions. We therefore regard acute mountain sickness and high-altitude pulmonary edema as clinical variants of the same disorder. Symptoms occurring immediately ...