Altitude illness is a spectrum of medical problems ranging from mild discomfort to fatal illness that may occur on ascent to higher altitudes (elevations >1,500 m [4,921 feet]). I...
AMS, mild to moderate symptoms
Headache, plus at least one of the following:
Nausea or vomiting
Dizziness or light-headedness
AMS, severe symptoms
Therapy must be tailored to fit disease severity.
Early recognition is critical.
Stop ascent, acclimatize at the same altitude, and/or descend if symptoms do not abate over 24 ...
For mild cases, no follow-up is needed.
For more severe cases, follow until symptoms subside.
Imray C, Booth A, Wright A et al. Acute altitude illnesses. BMJ. 2011;343:d4943. [View Abstract on OvidInsights]
Luks AM, McIntosh SE, Grissom CK et al. Wilderness Medical Soci...
T70.20XA Unspecified effects of high altitude, initial encounter
T70.20XD Unspecified effects of high altitude, subsequent encounter
T70.20XS Unspecified effects of high altitude, sequela
Slow ascent and timely descent are important tenets in the prevention and treatment of high-altitude illnesses, respectively.
High-flow oxygen, followed by oxygen titrated to maintain SaO2 >9...
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