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 ...

Dr. Zipes answers the question: 'Heart Attack vs. Heart Rhythm Problems?' — -- Question: What is the difference between a heart attack and heart rhythm problems? Can one cause the other? Answer ...

Having an accelerated junctional rhythm occurs when the atrioventricular node in your heart beats too quickly. It happens as a result of damage to your heart’s primary natural pacemaker. There’s no ...

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 ...

Junctional rhythm is an irregular heart rhythm that stems from a natural pacemaker in the heart known as the atrioventricular junction. The heart has several built-in pacemakers that help control its ...

Excessive calcium in the blood, known as hypercalcemia, can disrupt the heart’s electrical system, potentially leading to an irregular heartbeat or arrhythmia. Hypercalcemia is more likely to cause a ...

Tom Derrington, 65, was increasingly having trouble walking up the four flights of stairs on the CapMetro construction site where he works. He was out of breath. His feet were so swollen they hurt on ...

When it comes to heart health, we often hear of the word Arrhythmia. In simple words, an Arrhythmia is an abnormal heartbeat rhythm, where the heart beats too fast, too slow, or erratic. (feels like a ...

“Understanding the remodeling that’s going on in the heart at the transcriptional level is pretty fascinating,” said Elizabeth Schroder Stumpf, a physiologist at the University of Kentucky, who was ...