Altitude Illness

A spectrum of cerebral and pulmonary syndromes ranging from mild discomfort to fatal illness that occur on ascent to higher altitudes as a direct result of inadequate acclimatization

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AMS:

• Symptoms include headache, anorexia, irritability, marked fatigue, nausea, vomiting, dizziness, light-headedness, dyspnea with exertion, or insomnia.

• Often these symptoms resolve s...

Individuals without previous altitude exposure should adhere to acclimatization guidelines.

Stop ascent, acclimatize at the same altitude, and/or descend if symptoms do not ab...

For mild cases, no follow-up is needed.

For more severe cases, follow closely until symptoms subside.

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

T70....

Slow ascent and timely descent are important to prevent and treat high-altitude illnesses.

Lack of symptom resolution with appropriate descent suggests an alternative diagnosis.

High-flo...