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Acute mountain sickness can progress to high-altitude pulmonary edema (HAPE) with associated shortness of breath or high-altitude cerebral edema (HACE) with associated confusion. [1] [2] Chronic mountain sickness may occur after long-term exposure to high altitude. [2]
The Lake Louise Consensus Definition for high-altitude pulmonary edema has set widely used criteria for defining HAPE symptoms. [7] In the presence of a recent gain in altitude, the presence of the following: Symptoms: at least two of: Shortness of breath at rest; Cough; Weakness or decreased exercise performance; Chest tightness or congestion
The effects of high altitude on humans are mostly the consequences of reduced partial pressure of oxygen in the atmosphere. The medical problems that are direct consequence of high altitude are caused by the low inspired partial pressure of oxygen, which is caused by the reduced atmospheric pressure, and the constant gas fraction of oxygen in ...
Shortness of breath can manifest as orthopnea (inability to breathe sufficiently when lying down flat) and/or paroxysmal nocturnal dyspnea (episodes of severe sudden breathlessness at night). These are common presenting symptoms of chronic and cardiogenic pulmonary edema due to left ventricular failure.
Shortness of breath, jaw pain, and fatigue are common symptoms that can signal an underlying medical condition. Dr. Natalie Azar tells us when to see a doctor.
High-altitude mountaineering can induce pulmonary hypoxia due to decreased atmospheric pressure. This hypoxia causes vasoconstriction that ultimately leads to high altitude pulmonary edema (HAPE). For this reason, some climbers carry supplemental oxygen to prevent hypoxia, edema, and HAPE.
In 2006, Baker, then 24, started having shortness of breath and developed a crushing chest pain. "Like an elephant or a bus sitting on my chest," she said. Pregnant, Baker went to Miners' Colfax ...
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 ...
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