Dr. Naccarelli answers the question: 'What Is Flecainide, How Does It Work?' — -- Question: I have been placed on an antiarrhythmic drug called flecainide for my heart rhythm problem. How does it ...

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 ...

The rhythmic beating of your heart tells a more complex story than most realize. While standard health assessments typically focus on heart rate, the subtle variations between individual heartbeats ...

Sometimes, the rhythm of your heart is trying to tell you something is wrong, and it may be speaking to you in a language different from the “classic” symptoms like palpitations, shortness of breath, ...

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 ...

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 ...

Veteran male athletes who have spent years training at high intensity may be at greater risk of serious heart problems while exercising, new University of Leeds research shows. The study shows that ...