Medically reviewed by Jeffrey S. Lander, MD Key Takeaways Heart failure happens when the heart can't pump enough blood ...

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).

When the heart's muscle is weakened or injured due to a heart attack, it can make it hard for the heart to pump enough blood ...

These two conditions affect how well your heart can pump blood. Cardiomyopathy can sometimes lead to heart failure. Cardiomyopathy and heart failure are both conditions in which your heart has a more ...

Alexandria Nyembwe is a registered nurse and health writer. She has worked in street medicine serving populations experiencing homelessness in Skid Row Los Angeles as well as in cardiovascular care in ...