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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. 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 …

  3. Premature Ventricular Contractions (PVCs) - Cleveland Clinic

    Jul 29, 2022 · Premature ventricular contractions (PVCs) are a type of irregular heartbeat. They occur when the electrical signal that starts your heartbeat comes from one of your bottom two heart …

  4. Premature Ventricular Contractions: Symptoms, Cause, Treatment

    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...

  5. Health Encyclopedia - University of Rochester Medical Center

    With a PVC, the signal to start your heartbeat comes from 1 of the ventricles instead. This signal is premature, meaning it happens before the SA node has had a chance to fire. The signal spreads …

  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 Contraction | Fact Sheets | Yale Medicine

    What is premature ventricular contraction? Premature ventricular contractions are extra, abnormal heartbeats that temporarily change a person’s heart rhythm.

  8. Premature Ventricular Contractions (PVCs) - MedicineNet

    Premature ventricular contractions (PVC) are premature heartbeats originating from the ventricles of the heart. Premature ventricular contractions are premature because they occur before the regular …

  9. 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 …

  10. 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.