what is ventricular premature depolarization
A premature ventricular contraction ( PVC ) â also known as a premature ventricular complex , ventricular premature contraction ( or complex or complexes ) ( VPC ) , ventricular premature beat ( VPB ) , or ventricular extrasystole ( VES ) â is a relatively common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than ...