When your electrical system is working normally, the two upper chambers of the heart (atria) contract and pump blood into the two lower chambers (ventricles) in a well-coordinated way. This results in ...

Roughly one in five patients who underwent coronary artery bypass graft surgery, with or without valve replacement/repair, developed postoperative atrial fibrillation or flutter in the first month ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. AURORA, Colo. (KDVR) — A new study shows ...

Drinking coffee can protect against atrial fibrillation (A-Fib), a common heart rhythm disorder that causes rapid, irregular heartbeat and can lead to stroke and heart failure. Doctors typically ...

A few years ago I was out walk­ing with an older relative when she suddenly stopped and put her hands out for support. Her heart­beat had gone haywire, causing chest pains and making her feel ...

STATEN ISLAND, N.Y. -- – A new “cold therapy” procedure piloted on Staten Island is helping treat patients around the world who are diagnosed with irregular heartbeat. Earlier this year, The Heart ...