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When would I need oxygen therapy for heart failure?

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Your doctor will usually suggest oxygen therapy when heart failure causes very low levels of oxygen. But if your levels are closer to normal, it’s more of a gray area. In this case, recent studies seem to show that oxygen therapy may be harmful because you get too much oxygen.

More research is needed, so ask your doctor what you should get.

SOURCES:

Journal of the American College of Cardiology, Heart Failure : “How Does the Blood Circulatory System Work?” "Oxygen Therapy in Patients With Acute Heart Failure: Friend or Foe?”

American Heart Association: “What Is Heart Failure?”

National Institutes of Health: “How Is Heart Failure Treated?” “Oxygen Therapy.”

National Health Service: “Home Oxygen Treatment.”

American Thoracic Society: “Oxygen Therapy.”

American Lung Association: “Supplemental Oxygen.”

Reviewed by James Beckerman on March 21, 2019

SOURCES:

Journal of the American College of Cardiology, Heart Failure : “How Does the Blood Circulatory System Work?” "Oxygen Therapy in Patients With Acute Heart Failure: Friend or Foe?”

American Heart Association: “What Is Heart Failure?”

National Institutes of Health: “How Is Heart Failure Treated?” “Oxygen Therapy.”

National Health Service: “Home Oxygen Treatment.”

American Thoracic Society: “Oxygen Therapy.”

American Lung Association: “Supplemental Oxygen.”

Reviewed by James Beckerman on March 21, 2019

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How does oxygen therapy for heart failure work?

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