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  1. Premature ventricular contractions (PVCs) - Mayo Clinic

    Sep 20, 2025 · PVCs are extra heartbeats that can make the heart beat out of rhythm. They are very common and may not be a concern. Learn when treatment is needed.

  2. Premature Ventricular Complex (PVC) • LITFL • ECG Library Diagnosis

    Oct 8, 2024 · A premature ventricular complex (PVC) is a premature beat arising from an ectopic focus within the ventricles. AKA: ventricular ectopics, ventricular extrasystoles, ventricular premature beats, …

  3. Premature ventricular contraction - Wikipedia

    Two PVCs in a row are called doublets and three PVCs in a rows are triplets. Depending whether there are one, two, or three normal (sinus) beats between each PVC, the rhythm is called bigeminy, …

  4. Premature Ventricular Contraction | Fact Sheets | Yale Medicine

    A premature ventricular contraction is an occasional extra heartbeat that briefly throws off the heart’s regular rhythm. It arises prematurely (before the next heartbeat is expected) in the heart’s ventricles, …

  5. Premature Ventricular Contractions (PVC): Symptoms, Cause ... - WebMD

    Dec 25, 2023 · What Are Premature Ventricular Contractions (PVCs)? If your heart feels out of rhythm or “flutters,” especially when you're anxious or stressed, it could be caused by premature ventricular...

  6. Premature Contractions ‒ PACs and PVCs - American Heart Association

    Sep 24, 2024 · Premature beats that start in your heart’s upper chambers are premature atrial contractions, or PACs. Those that start in the lower chambers are premature ventricular contractions, …

  7. Premature Ventricular Contractions (PVCs) - MedicineNet

    Premature ventricular contractions (PVCs) are premature, extra or irregular heartbeats that originate from the heart ventricles and disrupt heart rhythm. Explore causes such as heart attacks, high blood …

  8. When Are PVCs More Than Just a Heartbeat Quirk? - Verywell Health

    Oct 28, 2025 · A premature ventricular complex (PVC) is an electrical impulse in the heart. It's usually harmless, but when you have PVCs accompanied by symptoms like dizziness, chest pain, or if you're …

  9. Premature Ventricular Contractions - Cedars-Sinai

    Premature ventricular contractions, or PVCs, are a type of abnormal heartbeat. Read on to learn more about their cause, symptoms, diagnosis, and treatment.

  10. Premature Ventricular Complex - StatPearls - NCBI Bookshelf

    Feb 16, 2025 · Premature ventricular complexes (PVCs), or premature ventricular contractions, are ectopic heartbeats originating from the ventricles. Common across diverse populations, they may …