Sure, you know how to steal hearts, win hearts, and break hearts. But how much do you really know about your heart and how it works? Read on to your heart's content! Put your hand on your heart.

Cardiac output close cardiac outputThe amount of blood pumped by the heart in one minute. Heart Rate x Stroke Volume = Cardiac Output. is the total volume of blood pumped out by the left ventricle ...

Atrial fibrillation (AFib) and heart failure commonly occur together. Having either of these conditions increases your risk of developing the other. AFib is a type of arrhythmia, an abnormality in ...

Originally appeared on the NOVA Web site Cut to the Heart. Sure, you know how to steal hearts, win hearts, and break hearts. But how much do you really know about your heart and how it works?