A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can ...

DEAR DR. ROACH: I’m a 75-year-old woman who, for at least 10 years now, has been experiencing a rapid heart rate. My blood pressure, however, remains normal. In fact, doctors are usually surprised at ...

Deciding when to go to the hospital for a rapid heart depends on your health history and how you are feeling overall. A heart rate of 100 beats per minute (bpm) or higher, also known as tachycardia, ...

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 ...