Magnesium supports heart health by regulating electrical signals that control heart rate and rhythm, while also aiding the function of heart muscles and blood vessels.

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 ...

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 ...

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 ...

The RR intervals are regular (┌┐), at a rate of 90 beats/min. The QRS complexes are narrow and have a normal morphology and axis, so they are supraventricular. P waves are not seen initially, but a ...