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 ...

Learn why your heartbeat races after climbing stairs. A cardiologist explains what's normal, the impact of lifestyle, and when to seek medical advice.

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 ...

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 ...

One way to slow a sudden racing heart is by performing a vagal maneuver, which can help interrupt the abnormal rhythm. Vagal maneuvers include bearing down like you are having a bowel movement, ...