- Hypoxia: with respiratory diseases (including pneumonia, bronchial asthma, pulmonary edema), cardiovascular system (including chronic heart failure, cardiopulmonary insufficiency, collapse, arrhythmia);
- poisoning with carbon monoxide, hydrocyanic acid, asphyxiating substances (including chlorine, phosgene);
- weakening of breathing in the postoperative period;
- ischemia of lower extremities, trauma of limbs;
- cerebrovascular diseases of the brain;
- hyperbaric oxygenation (heart and lung operations, reconstructive surgery on the organs of the gastrointestinal tract, intoxication, anemia, peptic ulcer and duodenal ulcer, chronic hepatitis);
- Hypoxic therapy (coronary heart disease, arterial hypertension, gastrointestinal disorders, asthenia, depression, fatigue, condition after radiation therapy).