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

Flipping a molecular switch for heart fibrosis

A healthy heart is a pliable, ever-moving organ. But under stress—from injury, cardiovascular disease, or aging—the heart thickens and stiffens in a process known as fibrosis, which involves diffuse scar-like tissue. ...

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