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Altitude sickness, the mildest form being acute mountain sickness (AMS), is a harmful effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation. [ 1 ] [ 2 ] [ 3 ] People's bodies can respond to high altitude in different ways.
CMS was first described in 1925 by Carlos Monge Medrano, a Peruvian doctor who specialised in diseases of high altitude. [3] While acute mountain sickness is experienced shortly after ascent to high altitude, chronic mountain sickness may develop only after many years of living at high altitude. In medicine, high altitude is defined as over ...
Very high altitude = 3,500–5,500 metres (11,500–18,000 ft) Extreme altitude = above 5,500 metres (18,000 ft) Travel to each of these altitude regions can lead to medical problems, from the mild symptoms of acute mountain sickness to the potentially fatal high-altitude pulmonary edema and high-altitude cerebral edema .
High-altitude pulmonary edema (HAPE) is a life-threatening form of non-cardiogenic pulmonary edema that occurs in otherwise healthy people at altitudes typically above 2,500 meters (8,200 ft). [2] HAPE is a severe presentation of altitude sickness. Cases have also been reported between 1,500–2,500 metres or 4,900–8,200 feet in people who ...
The sickness is compounded by related symptoms such as cerebral oedema (swelling of brain) and pulmonary oedema (fluid accumulation in lungs) . [ 17 ] [ 18 ] Over a span of multiple days, individuals experiencing the effects of high-altitude hypoxia demonstrate raised respiratory activity and elevated metabolic conditions which persist during ...
If you measure altitude above mean sea level, then the 29,032-foot (8,849-meter) Mount Everest, which straddles the border between Tibet and Nepal, is clearly the world’s highest.
High-altitude cerebral edema (HACE) is a medical condition in which the brain swells with fluid because of the physiological effects of traveling to a high altitude. It generally appears in patients who have acute mountain sickness and involves disorientation, lethargy, and nausea among other symptoms.
TelefériQo to Pichincha Volcano with Quito in the background Góndolas of the TelefériQo Top station of the TelefériQo with Pichincha Volcano in the background. The TelefériQo (from teleférico and Quito), or TelefériQo Cruz Loma, is a gondola lift in Quito, Ecuador, running from the edge of the city centre up the east side of Pichincha Volcano to lookout Cruz Loma.