I am 66 years old and an avid cyclist. Last winter, after we went for a long ride, I suddenly felt lightheaded and then ...

I am 66 years old and an avid cyclist. Last winter, after we went for a long ride, I suddenly felt lightheaded and then fainted. My doctor ordered ...

The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium and a ventricle which are two connected chambers ... valves stop the back flow of blood ...

Doctors use echocardiograms to help diagnose heart problems such as damaged heart tissue, chamber ... valves or holes in the heart’s walls and help doctors assess how the blood is traveling ...

Rupture of one or more of these fibrous structures usually ... as the left side of the heart opacified in 6 patients was chiefly beneficial in assessing chamber size although there was a marked ...

Choose from Human Heart Diagram stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...

Researchers at UCL and the Francis Crick Institute have, for the first time, identified the origin of cardiac cells using 3D ...