A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can ...

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

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 ...

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 ...

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 ...

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

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?

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 ...

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 ...

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 ...

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 ...