Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...
Premature ventricular contractions are common and usually no cause for concern. But sometimes you may need to see a doctor. A premature ventricular contraction (PVC) is a heartbeat that starts in a ...