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

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 ...

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 ...

If you're new to the world of POTS, whether that's because of its newfound connections with Long COVID-19, or its recent momentum on social media, you've probably come across the long list of symptoms ...

The study, published earlier this month in the European Journal of Preventive Cardiology, found that some endurance athletes ...

DEAR DR. ROACH: I’m a 75-year-old woman who, for at least 10 years now, has been experiencing a rapid heart rate. My blood pressure, however, remains normal. In fact, doctors are usually surprised at ...

Heart racing suddenly during workouts or daily activity? Doctors explain supraventricular tachycardia (SVT), its symptoms, causes, and when to seek help.

Non-sustained ventricular tachycardia is an abnormally fast heart rate that occurs in the lower chambers of the heart and lasts for less than 30 seconds. Tachycardia is a heart rate that is faster ...