Oxygen therapy is used to treat emphysema, pneumonia, some heart disorders (congestive heart failure), some disorders that cause increased pulmonary artery pressure, and any disease that impairs the body's ability to take up and use gaseous oxygen. Treatments are flexible enough to be used in hospitals, the patient's home, or increasingly portable by devices. Oxygen tents were commonly used in oxygenation, but have since been mostly replaced by the use of oxygen in the patient's blood. Oxygen therapy is used to treat emphysema, pneumonia, some heart disorders (congestive heart failure), some disorders that cause increased pulmonary artery pressure, and any disease that impairs the body's ability to take up and use gaseous oxygen. Oxygen therapy is flexible enough to be used in hospitals, the patient's home, or increasingly portable by devices. Oxygen tents were commonly used in oxygenation, but have since been mostly replaced by the use of oxygen in the blood of the patient's blood, but has the secondary effect of decreasing resist
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