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Physician listening to patients heart

Heart Failure

Heart failure (congestive heart failure) happens when the heart is unable to effectively pump blood in the body. This occurs when the heart is either too weak (systolic heart failure) or too stiff (diastolic heart failure). When the heart is not pumping well, fluid backs up in the system and causes symptoms. Also poor pump function can lead to inadequate blood delivery to the other parts of the body.