Heart failure affects nearly 6 million Americans. Roughly 670,000 people are diagnosed with heart failure each year. It is the leading cause of hospitalization in people older than age 65.
What Is Heart Failure?
Heart failure does not mean the heart has stopped working. Rather, it means that the heart‘s pumping power is weaker than normal. With heart failure, blood moves through the heart and body at a slower rate, and pressure in the heart increases. As a result, the heart cannot pump enough oxygen and nutrients to meet the body’s needs.
Read Article: http://www.webmd.com/heart-disease/guide-heart-failure#1