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 with preserved ejection fraction (HFpEF) is a type of heart failure that affects the left side of the heart. It occurs when the lower left chamber of the heart, called the left ventricle ...

Your heart’s job is to pump blood around your body to supply all your organs with the oxygen they need to work well. When your heart doesn’t pump as strong and as efficiently as it’s supposed to, you ...