Medically reviewed by Jeffrey S. Lander, MD Key Takeaways Heart failure happens when the heart can't pump enough blood throughout the body. Chronic heart failure often happens because of other medical ...

Heart failure occurs when the heart can't pump blood as well as it should. It can affect either the left side of the heart (left-sided heart failure) or the right side (right-sided heart failure).

Heart failure is a chronic condition in which the heart cannot pump blood effectively. As a result, tissues and organs do not receive critical oxygen and nutrients. The heart is a complex organ, and ...

Heart failure, or congestive heart failure, is a long-term medical condition that occurs when the heart doesn’t pump blood as effectively as it should. When the heart doesn’t pump properly, the ...

People with left-sided heart failure have either a reduced or a preserved ejection fraction. Ejection fraction is a measurement of the percentage of blood the left ventricle pumps out with each ...

Heart failure is one of those conditions that you rarely (or ever) think about—until it personally affects you. Maybe someone you love was recently diagnosed with heart failure or your doctor warned ...

Heart attack and heart failure are two distinct but often confused cardiovascular conditions. A heart attack occurs suddenly when blood flow to part of the heart muscle is blocked, causing tissue ...