• Premature ventricular contraction (PVC) - Bigeminy OR ventricular extrasystole (VES) is a type of ectopic beat where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node, the normal heartbeat initiator • Symptoms: feeling your heart beat (palpitations); feeling of occasional, forceful beats; increased awareness of your heart beat; perception of a skipped heartbeat; dyspnea; dizziness • Causes: Adrenaline excess High blood calcium Cardiomyopathy, hy
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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
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