High altitude peripheral edema

Background

Evaluation

Swelling of face and distal extremities is common (20% of trekkers at 14,000ft)
Often associated with acute mountain sickness, but not in all cases

Differential Diagnosis

High Altitude Illnesses

Management

Resolves spontaneously with descent

Expected SpO₂ and PaO₂ levels at altitude[1]

Altitude	SpO₂	PaO₂ (mm Hg)
1,500 to 3,500 m (4,900 to 11,500 ft)	about 90%	55-75
3,500 to 5,500 m (11,500 to 18,000 ft)	75-85%	40-60
5,500 to 8,850 m (18,000 to 29,000 ft)	58-75%	28-40

See Also

High Altitude Medicine

References

Gallagher, MD, Scott A.; Hackett, MD, Peter (August 28, 2018). "High altitude pulmonary edema". UpToDate. Retrieved May 2, 2019.

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