Millions of people visit high-altitude regions annually and more than 80 million live
permanently above 2,500 m. Acute high-altitude exposure can trigger high-altitude illnesses …

Key Clinical Points Acute High-Altitude Illnesses Acute high-altitude illnesses occur in
persons who are not acclimatized during the first days at an altitude of 2500 m or higher …

Medical problems occur at high altitude because of the low inspired Po2, which is caused by
the reduced barometric pressure. The classical physiological responses to high altitude …

Background Millions of tourists and climbers visit high altitudes annually. Many
unsuspecting and otherwise healthy individuals may get sick when sojourning to these high …

Background: Finger pulse oximeters are widely used to monitor physiological responses to
high-altitude exposure, the progress of acclimatization, and/or the potential development of …

1 History 1 2 The atmosphere 16 3 Geography and the human response to altitude 28 4
Genetics and high altitude 40 5 Altitude acclimatization and deterioration 53 6 Control of …

High-altitude illnesses have profound consequences on the health of many unsuspecting
and otherwise healthy individuals who sojourn to high altitude for recreation and work. The …

Hypoxia plays an important role in the development of many infectious, inflammatory, and
tumor diseases. The predisposition to such disorders is mostly provided by differences in …

High-altitude illnesses encompass the pulmonary and cerebral syndromes that occur in non-
acclimatized individuals after rapid ascent to high altitude. The most common syndrome is …

Abstract Luks, Andrew M., Erik R. Swenson. Clinician's corner: pulse oximetry at high
altitude. High Alt. Med. Biol. 12: 109–119, 2011.—Pulse oximetry is a valuable, noninvasive …