The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

The heart is a pump composed of four chambers. It is divided in the middle into a right and left side, and each side is divided further into two chambers — the upper and lower chambers.

Join Dr. Rohin Francis in this compelling keynote, "A History of the Heart in 4 Chambers", delivered for the University of Melbourne Medical School. In this talk, he weaves the story of medicine ...

Atrial fibrillation, or AFib, is an unusually fast heartbeat in the heart’s upper chambers, sometimes as many as 400 beats or more a minute. (Usually, the heart beats 60 to 150 times a minute.) ...

Congenital heart defects are the most common birth defects. WebMD explains the conditions that can affect the heart’s chambers, valves, and blood vessels.

BLK-Max Hospital doctors perform life-saving procedure on boy with rare heart defect, improving oxygen levels and quality of ...