High-Altitude Illness: Updates in Prevention, Identification, and Treatment | Points & Pearls
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High-Altitude Illness: Updates in Prevention, Identification, and Treatment

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Points & Pearls Excerpt

  • High-altitude illness (HAI) is a continuum of pulmonary and neurologic syndromes that can occur in nonacclimatized individuals, typically (though not exclusively) with travel to altitudes >2500 m.
  • HAI includes acute mountain sickness (AMS), high-altitude cerebral edema (HACE), and high-altitude pulmonary edema (HAPE).
  • HAI is caused by hypobaric hypoxia, which affects ventilation, fluid retention, cerebral blood flow, and the autonomic nervous system. In HAPE, hypobaric hypoxia causes noncardiogenic pulmonary edema.4
  • Symptoms of HAI most commonly develop 6 to 12 hours after ascent to altitude, though they can occur up to 5 days after ascent.
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Publication Information
Authors

Ninad A. Shroff, MD, FAAEM; Jerome Balbin, MD; Oluwaseun Shobitan, MD

Peer Reviewed By

Charlotte Goldfine, MD; Ryan LaFollette, MD

Publication Date

September 1, 2021

CME Expiration Date

September 1, 2024

CME Credits

4 AMA PRA Category 1 Credits™, 4 ACEP Category I Credits, 4 AAFP Prescribed Credits, 4 AOA Category 2-A or 2-B Credits.

Pub Med ID: 34402609

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