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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.
Ecuador is divided into four geographic regions; the Andes, the Amazon Basin, the Coast, and the Galapagos Islands. Harsh climates in each region pose several threats to human health. [19] Due to the lack of oxygen in the Andes because of high altitude, altitude sickness may arise, primarily in tourists coming from low-altitude regions. [20]
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 .
Atmospheric pressure decreases with altitude while the O 2 fraction remains constant to about 85 km (53 mi), so PO 2 decreases with altitude as well. It is about half of its sea level value at 5,500 m (18,000 ft), the altitude of the Mount Everest base camp , and less than a third at 8,849 m (29,032 ft), the summit of Mount Everest. [ 8 ]
Altitude sickness: Alan Rouse United Kingdom: Altitude sickness: 7 August 1986: Julie Tullis United Kingdom: Altitude sickness [18] 4 August 1986: Mohammad Ali Pakistan: Stonefall [18] [35] 3 August 1986: Wojciech Wróż Poland: Fall [18] 16 July 1986: Renato Casarotto Italy: Fall into crevasse [18] 10 July 1986: Tadeusz Piotrowski Poland: Fall ...
Mountain sickness can refer to: Altitude sickness or acute mountain sickness, a pathological condition that is caused by acute exposure to low air pressure Chronic mountain sickness , a disease that can develop during extended time living at altitude
Chronic mountain sickness (CMS) is a disease in which the proportion of blood volume that is occupied by red blood cells increases (polycythaemia) and there is an abnormally low level of oxygen in the blood . CMS typically develops after extended time living at high altitude (over 2,500 metres (8,200 ft)).
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 ...
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