What's really happening in a PVC? 🤔 Premature Ventricular Contractions (PVCs) are early, abnormal electrical signals from the ventricles that disrupt the heart’s normal rhythm. While they’re actually extra beats, they often feel like a skipped beat—why? A PVC comes early before the heart has time to fill with blood, creating a weak pulse that’s barely felt. The next beat, after extra filling time, is stronger, leading to that noticeable ‘thump’ in the chest. Most PVCs are harmless, but frequent