When I go for a walk or to the gym, people always seem to be checking their pulse, whether by hand or with a wearable. Why is heart rate so important? ANSWER: Your heart rate, or pulse, is the number ...

Does climbing a flight of stairs make you feel a sudden adrenaline rush? For some, this feeling quickly fades away. For others, a heart beating faster than usual can be worrying, leaving them ...

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 ...