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Right-Sided Heart Failure - Topic Overview

Right-sided heart failure means that the right side of the heart is not pumping blood to the lungs as well as normal.

What happens to the heart?

Most people develop heart failure because of a problem with the left ventricle. But reduced function of the right ventricle can also occur in heart failure. As blood begins to back up behind the failing left ventricle and into the lungs, it will become increasingly difficult for the right ventricle to pump returning blood through the lungs. Like the left ventricle, the right ventricle will eventually weaken and begin to fail.

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