A racing heart is usually a sign of agitation or excitement. But if it's not unusual for your heart to beat too fast or to skip a beat, it might be worth having it checked out by a doctor. In order to ...

If someone’s heart skips a beat, tech companies want to let them know about it. Gadget firms — starting with Apple and now Fitbit, which is owned by Google — are selling wearable devices that check ...

DEAR DR. ROACH: How serious are palpitations? I’m a diabetic woman, age 77. I get these sensations various times throughout the day. Will I have a heart attack or stroke? -- B.G. ANSWER: Palpitations ...

Your heartbeat can provide valuable clues to help you stay well. Here’s what top cardiologists want you to know about it.

A resting heart rate is the simplest way to gauge your overall health. Here’s what you should know about its normal range, ...

Most of us have done it. You feel something a little off in your chest, your heart races for no clear reason, or you get unusually tired, and instead of calling a doctor, you reach for your phone. A ...

A fast heartbeat of over 100 beats per minute can happen for various reasons, including drug reactions, alcohol, stress, and some health conditions. If the cause is unclear, the heart may seem to beat ...

Blood flows through the heart and generates noises known as heart sounds. These noises occur due to heart valves opening and closing as the heart pumps blood. A doctor can gain valuable information by ...

Heart racing suddenly during workouts or daily activity? Doctors explain supraventricular tachycardia (SVT), its symptoms, causes, and when to seek help.

If someone’s heart skips a beat, tech companies want to let them know about it. Gadget firms—starting with Apple and now Fitbit, which is owned by Google—are selling wearable devices that check ...