It’s only about the size of a fist, but the heart is the hardest working organ in your body. It pumps the equivalent of 2,000 gallons of blood throughout your body all day, every day, so it’s ...

Atrial fibrillation (Afib) is an irregular and often rapid heartbeat that originates in the heart’s upper chambers (atria).

It was the quick action of his friend and four men playing on a nearby court, as well as the accessibility of an AED, that ...