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 ...

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 ...