noun
hypoxia; hypoxemia
Medical term for a state where the body or a region is deprived of adequate oxygen supply. Hypoxemia specifically refers to low blood oxygen.
高山では酸素欠乏症に注意が必要です。
At high altitudes, you need to watch out for hypoxia.
酸素欠乏症の症状には頭痛やめまいがあります。
Symptoms of hypoxia include headache and dizziness.