Medically reviewed by Angela Ryan Lee, MD It's essential to seek emergency care if a rapid heartbeat is paired with confusion ...

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 ...

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 ...

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 ...

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 ...

You're curled up on the couch, finally relaxing after a long day when suddenly, your heart starts racing. You're obviously not exercising and you don't think you're stressed, so why does it feel like ...

NEW YORK, April 17 (UPI) --Doctors often tell patients with atrial fibrillation, which causes an irregular and often abnormally rapid heart rate, to beware of an increased risk of stroke. But the ...

Matthew Brigson regularly gets his heart pumping with martial arts training, but when his heart began racing last August it was cause for concern. Police officer Brigson, a training coordinator at ...