Hospital Virtual Tour

Acute mountain sickness - Symptom

Alternative Names

High altitude cerebral edema; Altitude anoxia; Altitude sickness; Mountain sickness; High altitude pulmonary edema

Symptoms:

Symptoms generally associated with mild to moderate altitude illness include:

Difficulty sleeping
Dizziness or light-headedness
Fatigue
Headache
Loss of appetite
Nausea or vomiting
Rapid pulse (heart rate)
Shortness of breath with exertion

Symptoms generally associated with more severe altitude illness include:

Bluish discoloration of the skin (cyanosis)
Chest tightness or congestion
Confusion
Cough
Coughing up blood
Decreased consciousness or withdrawal from social interaction
Gray or pale complexion
Inability to walk in a straight line, or to walk at all
Shortness of breath at rest

Signs and tests:

Listening to the chest with a stethoscope (auscultation) reveals sounds called crackles (rales) in the lung, which can mean pulmonary edema.

A chest x-ray may be performed.

Respiratory system

Reviewed last on: 1/15/2009
Jacob L. Heller, MD, Emergency Medicine, Virginia Mason Medical Center, Seattle, Washington, Clinic. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Auerbach PS, ed. Wilderness Medicine. 4th ed. St. Louis, Mo: Mosby; 2001:12-19.

Schoene RB, Swenson ER. High Altitude. In: Mason RJ, Murray JF, Broaddus VC, Nadel JA, eds. Textbook of Respiratory Medicine. 4th ed. Philadelphia, Pa: Saunders Elsevier; 2005: chap 65.

Wright A, Brearey S, Imray C. High hopes at high altitudes: pharmacotherapy for acute mountain sickness and high-altitude cerebral and pulmonary oedema. Expert Opin Pharmacother. 2008;9(1):119-127.

Yaron M, Honigman B. High-altitude medicine. In: Marx, JA, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 6th ed. Philadelphia, Pa : Mosby Elsevier; 2006: chap 142.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

Home > Medical Reference > Encyclopedia (English)