Question: what does pvc stand for in medical terms
Answer: A premature ventricular contraction ( PVC ) -- also known as a premature ventricular complex , ventricular premature contraction ( or complex or complexes ) ( VPC ) , ventricular premature beat ( VPB ) , or ventricular extrasystole ( VES ) -- is a relatively common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node , the normal heartbeat initiator .