Victim is uncoordinated, confused, delirious and convulsing. Body temperature must be lowered immediately by sponging with tepid water, fanning and cool drinks. Victim is cool, clammy, dizzy, has a headache, and may have cramps. Liquids and rest with a lowered head recommended. Caused by too rapid an ascent to above about 9,000 feet.
Victim has headache, drowsiness, loss of appetite, nausea, vomiting and abnormal sleep patterns.
Treat with descent to about 3,000 feet, rest, adequate fluid intake and headache pain medicine. Do not administer sleeping medicines as they may mask pulmonary edema symptoms. Treatment is immediate descent, rest and oxygen. In its beginning stage, flesh is unfrozen but turns gray and waxy-looking. Rubbing or applying direct heat to the body parts increases damage.