Oxygen therapy is the administration of oxygen at concentrations higher than that is present in room air to treat or prevent low levels of oxygen in your blood (hypoxemia). Nasal cannula, mask, and tent are most commonly used to administer oxygen. The aim of oxygen therapy is to increase oxygen saturation in tissues where the levels are too low due to illness or injury. Oxygen therapy increases the level of oxygen in the blood, reduces the extra work of the heart, and reduces shortness of breath. Oxygen therapy may be given at home, in emergency (urgent) care facilities or at hospital. Some of the conditions in which oxygen therapy is beneficial are:
If oxygen is given under pressure with the patient in an airtight chamber it is called hyperbaric oxygen therapy.
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