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 ...

Heart palpitations are common sensations such as fluttering, racing, or skipped beats. Though usually harmless, they can ...

Smoking affects the lungs and other organ systems, including the heart. The carbon monoxide from tobacco reduces oxygen to the heart, causing it to beat faster to deliver oxygen to the body. Share on ...

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 ...

A few years ago I was out walk­ing with an older relative when she suddenly stopped and put her hands out for support. Her heart­beat had gone haywire, causing chest pains and making her feel ...

Irregular heartbeat conditions affect millions of people worldwide, causing hearts to beat too fast, too slow, or with an uneven rhythm. These cardiac rhythm disturbances, medically known as ...

Depending on the type of irregular heartbeat (arrhythmia), medication can help slow or regulate a person’s heartbeat. Doctors will assess symptoms to decide the best medication. Medications for ...

In this era of fitness trackers, we have easy access to our heart rate at any given moment. Every so often, a number catches your eye as it flashes on your Garmin or Apple Watch while you're sitting ...

A carry-with-you nasal spray may be able to treat bouts of paroxysmal supraventricular tachycardia (PSVT), a type of arrhythmia that affects nearly two million Americans each year. People who have ...

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 ...