Oxygen therapy is a symptomatic form of treatment. It is usually given for a relatively short period to relieve “dangerous” hypoxaemia in the course of an acute illness such as pneumonia, exacerbations of bronchitis and left heart failure. The hypoxaemia is almost always the result of impaired gas exchange, and is at least partially relieved by the increase in alveolar oxygen concentration produced by increasing inspired oxygen concentrations. Long-term oxygen therapy has a limited place in the management of chronic respiratory disease.
KeywordsSurfactant Toxicity Catheter Dioxide Depression
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