Cardiology

Breakthrough in keyhole heart valve replacement

Cardiovascular disease remains the number one cause of death worldwide. Aortic stenosis—the narrowing of the valve that controls blood flow from the heart—is one of the most common heart valve diseases, with up to one ...

Cardiology

The underestimated risk of mitral regurgitation

Mitral regurgitation is a disease in which the valve between the left atrium and left ventricle starts to leak, so that blood refluxes with each heartbeat. Typical symptoms of mitral regurgitation are increasing fatigue, ...

Cardiology

Q And A: What is a bicuspid aortic valve?

DEAR MAYO CLINIC: I consider myself to be in good health. I work out several times a week, but recently I began experiencing episodes of shortness of breath after going up and down the stairs in my home. After running on ...

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