Chronic mountain sickness: Difference between revisions
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==Background== | ==Background== | ||
*Excessive polycythemia for a given altitude (Hgb >20) | *Excessive polycythemia for a given altitude (Hgb >20) | ||
*Occurs in patients living at high-altitude who have COPD, sleep apnea or impaired | *Occurs in patients living at high-altitude who have COPD, sleep apnea or impaired respiratory drive | ||
==Clinical Features== | ==Clinical Features== | ||
Revision as of 06:34, 3 August 2016
Background
- Excessive polycythemia for a given altitude (Hgb >20)
- Occurs in patients living at high-altitude who have COPD, sleep apnea or impaired respiratory drive
Clinical Features
- Headache
- Difficulty thinking
- Impaired peripheral circulation
- Drowsiness
Differential Diagnosis
High Altitude Illnesses
- Acute mountain sickness
- Chronic mountain sickness
- High altitude cerebral edema
- High altitude pulmonary edema
- High altitude peripheral edema
- High altitude retinopathy
- High altitude pharyngitis and bronchitis
- Ultraviolet keratitis
Evaluation
Management
- Phlebotomy
- Relocation to lower altitude
- Home O2 use