You're curled up on the couch, finally relaxing after a long day when suddenly, your heart starts racing. You're obviously ...

New research reveals that exercise may reprogram heart-controlling nerves, giving hope for potentially better treatments for ...

SVT results in the heart beating at much faster rate than normal, and can be triggered by exercise, lack of sleep, ...

Read ahead to know now why the heart beats rapidly all of a sudden for a few seconds what triggers it and when to consult a ...

Feeling your heart race can be an unsettling experience. Whether it happens during a moment of stress, excitement or seemingly out of nowhere, a racing heartbeat is often dismissed as just a temporary ...

Middle-aged folks who don't exercise are putting themselves at risk of life-threatening complex heartbeat irregularities, a new study says. Adults 40 to 65 with low fitness levels had a 52% increased ...

Your heart beats about 100,000 times a day. Sometimes it beats faster and sometimes more slowly, depending on what you're doing and whether, for instance, you're all worked up about something. So ...

DEAR MAYO CLINIC: I'm a 62-year-old woman with mild mitral valve prolapse. After one of my recent, normal workouts, I felt very strange: weak, clammy palms and a fluttery heartbeat. The symptoms ...

Dr. Myerburg answers the question: 'How Do Pacemakers Know To Pace Faster?' — -- Question: How do pacemakers know when I need a faster heart rate, for example when I am exercising or anxious?

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 ...

A resting heart rate between 60 and 100 beats per minute (bpm) is considered normal for most people, according to the American Heart Association (AHA). If your resting heart rate is over 100 bpm, you ...