Decreased exercise performance without major impairment in SaO2
Decreased SaO2 with marked impairment during exercise and sleep
Abrupt ascent can be dangerous; acclimatization is required to prevent illness
Only experienced by mountain climbers; accompanied by severe hypoxemia and hypocapnia
Sustained human habitation is impossible
RV strain, intestinal malabsorption, impaired renal function, polycythemia
Height of Mount Everest (tallest in world): 29,035 feet (8,850 meters)
Height of Mount Whitney (tallest in contiguous US): 14,505 feet (4,421 meters)
Conversion: 1 meter = ~3.28 feet  (calculator)
High altitude medicine
Acute mountain sickness
Trauma sedation
Chronic mountain sickness
Immunocompromised antibiotics
High altitude cerebral edema
ICU sedation
High altitude pulmonary edema