Q: What is the role of blood pressure, how does it work, and what are the factors that affect it? A: A simple way to ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Ejection fraction (EF) measures how well the heart pumps blood. A normal ejection fraction is between 55% to 70%. A low ejection fraction can be a sign of heart failure. Ejection fraction (EF) ...

Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

Heart failure with preserved ejection fraction (HFpEF) is a condition in which the heart does not fill with blood properly. In HFpEF, the heart can pump normally, but the heart is stiff and cannot ...

Physicians at Emory University Hospital performed the first-ever surgical implantation in the United States of a brand-new type of heart pump designed to help save patients with heart failure, using a ...