For decades, doctors have observed that women generally have faster heartbeats than men, while men are more likely to develop irregular rhythms like atrial fibrillation (AFib). A new study from The ...

A new study shows that the sinoatrial node (SAN) -- a small but powerful structure in the human heart that serves as its natural pacemaker and initiates every normal heartbeat -- runs on different ...

Heart palpitations are a common pregnancy symptom. Learn how to reduce them, and when they warrant a call to your doctor.

You know the feeling. When you first see your crush and your head starts spinning, your palms get sweaty, and your heart begins beating a mile a minute. Is this love? Or is it … an arrhythmia? The ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." How often do you think about your heartbeat? Probably not on the regular, unless you notice it when ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...

It's essential to seek emergency care if a rapid heartbeat is paired with confusion or chest pain. ER treatments for tachycardia include medications and electrical cardioversion. Managing stress and ...

COLUMBUS, Ohio – For decades, doctors and researchers have puzzled over a basic heart rhythm mystery: Why do women tend to have faster heartbeats while men are more likely to develop irregular rhythms ...