Right-Sided Heart Failure
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.
What causes it?
The most common cause of right-sided heart failure is actually left-sided heart failure (either systolic or diastolic heart failure). While left-sided heart failure is typically the cause of right-sided heart failure, other conditions, such as certain lung diseases, can cause the right ventricle to fail even when there is no problem with your left ventricle.
eMedicineHealth Medical Reference from Healthwise
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