News tagged with heart valves

Related topics: heart , food and drug administration

Mechanical heart valves increase pregnancy risk

The fact that mechanical heart valves increase risks during and after pregnancy, has been confirmed by data from the ROPAC registry presented for the first time today in an ESC Congress Hot Line session by Professor Jolien ...

Sep 02, 2014
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Rating heartbeats to save lives

Although the term "heart failure" is a bit of a misnomer, there's no doubt about its dire consequences. There are over 5 million people in the United States whose hearts simply fail to pump sufficient blood with enough force ...

Aug 05, 2014
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Heart valve

In anatomy, the heart valves maintain the unidirectional flow of blood in the heart by opening and closing depending on the difference in pressure on each side. They are mechanically similar to reed valves.

There are four valves in the heart (not counting the valve of the coronary sinus, and the valve of the inferior vena cava):

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