Heart failure is a condition in which the heart can't pump enough blood throughout the body. Heart failure does not mean that your heart has stopped or is about to stop working. It means that your heart is not able to pump blood the way it should.
The weakening of the heart's pumping ability causes
Treatment includes treating the underlying cause of your heart failure, medicines, and heart transplantation if other treatments fail.
Heart failure is a serious condition. About 5 million people in the U.S. have heart failure. It contributes to 300,000 deaths each year.
NIH: National Heart, Lung, and Blood Institute
From MedlinePlus article on Heart Failure, http://www.nlm.nih.gov/medlineplus/heartfailure.html
Diagnosis and management of diastolic dysfunction and heart failure. Aafp. http://www.aafp.org/afp/2006/0301/p841.html. Accessed 2012-05-18.
Heart failure. Mayoclinic.com. http://www.mayoclinic.com/health/heart-failure/DS00061/DSECTION=tests-and-diagnosis. Accessed 2012-05-18.