Over a lifetime, heart valves open and shut billions of times. Although heart valve problems are more common with age — an estimated 12.4% of Americans older than 75 years have aortic stenosis ...

Valvular heart disease (VHD) is a potentially fatal condition, yet it's difficult to diagnose with a regular stethoscope. A ...

These heart valves act as gates that open and close accordingly to ensure that blood moves efficiently in the right direction ...

Joan Mertz, 83, became the first patient in the state to undergo an artificial heart valve replacement without the need for open-heart surgery. For years, Mertz, a great-grandmother from Essex ...

“It sort of flutters open and shut sort of a thing ... When she learned that she had a leaky heart valve she was shocked but thankful for the results given her family’s history with heart ...

After acquiring its developer last year, Edwards Lifesciences has now obtained a European approval for what it described as ...

a condition where the mitral valve (see Hot Science) is narrowed and won't open properly. Just as with the soldiers, a small hole was cut in the side of a beating heart and a finger was inserted ...

Sound familiar? If you listen to your heart beat, you'll hear two sounds. These "lub" and "DUB" sounds are made by the heart valves as they open and close. See the valves in action.