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Pulmonary Vein Isolation, Catheter Ablation for Atrial Aibrillation

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Evolution of Pulmonary Vein Isolation, Catheter Ablation for Atrial Aibrillation

Catheter ablation is a procedure that uses energy (radio-frequency, cold, high frequency ultrasound, laser, etc…) to block abnormal heart rhythms. Pulmonary vein isolation is a type of catheter ablation for the heart. Most paroxysmal atrial fibrillation starts in the pulmonary veins. These are blood vessels located in the back of the upper left chamber of the heart (left atrium). With pulmonary vein isolation (PVI), energy is used to create scar in the heart to block the abnormal electrical signals from the pulmonary veins from entering the heart.

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