A person unacclimitised develops pulmonary edema in
A small percentage of people who ascend rapidly to high altitudes become acutely sick and can die if not given O2 or rapidly moved to a low altitude. The sickness begins from a few hours up to about 2 days after ascent. Two events frequently occur. Acute cerebral edema and acute pulmonary edema.
2 - 3 days
6 -7 days
19 - 21 days
2nd - 3rd month
Respiratory system