Dear Doctor: About 15 years ago, while giving blood, I was advised of an irregularity, which my doctor confirmed after an EKG, known as premature ventricular contractions. He told me ...

Data associating PVC burden with increased risk for heart failure and early mortality prompt some to see catheter ablation as the cure, but Dr John Mandrola urges constraint.

Dr. Bradley Serwer, an Ohio cardiologist, discussed what causes heart palpitations, when they should be evaluated by a doctor and how the common condition is treated.

An out-of-sync electrical system in the heart can cause extra beats called PVCs. They are usually benign, but a Bucks County man learned they can also be a sign of heart failure.

While heart palpitations can be "startling and very unsettling," a Georgia-based heart surgeon assures that they are very rarely dangerous or life-threatening. We explain the common condition.

Can you feel your heart racing at night? Discover common causes of palpitations and cardiologist-backed solutions to help alleviate them.

Sotalol is a commonly used antiarrhythmic drug that has been commercially available since the mid 1980's. It's a very unique drug that it blocks potassium channels in the heart but it also blocks ...