Your heart rate can provide valuable clues to help you stay well. Here’s what docs want you to know.

Ever had that moment where it feels like your heart skips a beat? This might occur after a stressful day, a burst of exciting news, meeting someone new or even drinking your morning coffee. And ...

Dr. Richard Page answers the question: 'What Causes Defibrillator To Fire?' — -- Question: What kind of heart rhythm problems will cause my defibrillator to fire? Answer: Your defibrillator is ...

Q: What is the difference between atrial fibrillation and supraventricular tachycardia? A: While both conditions are rapid, abnormal heart rhythms that originate in the upper part of the heart, they ...

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

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure, and even premature death. While many risk factors contribute to A-fib, one stands ...

Millions of people live with atrial fibrillation, a racing, uneven heartbeat that can leave you exhausted and scared. Yet it ...

Using computers to make a digital replica of the heart -- a digital heart twin -- can successfully identify problem areas deep in the heart muscle of people with a serious heart rhythm disorder, a new ...

A study in the journal Heart shows brisk walking can cut the risk of atrial fibrillation by up to 43%. We spoke to a ...

Frequent exercise doesn't just strengthen the heart—it also changes the nerves that control it, according to new research which could guide more targeted and effective care for common heart problems.