![]() Learn more about the Telemachus & Irene Demoulas Family Foundation Center for Cardiac Arrhythmias > What Happens During Catheter Ablation?ĭuring catheter ablation, physicians insert four catheters into the heart via the leg veins. By electrically isolating the pulmonary veins from the atria, abnormal electrical activity within the veins cannot trigger atrial fibrillation. ![]() These abnormal tissues fire rapid electrical activity and put the heart into atrial fibrillation. Research has shown that abnormal tissues within and around the pulmonary veins can trigger and sustain atrial fibrillation. The procedure is also known as pulmonary vein isolation. The pulmonary veins are blood vessels that drain blood from the lungs into the heart, and the atria includes the two smaller chambers of the heart. The goal of this procedure is to ablate the electrical connections between the pulmonary veins and the atrium. Physicians at the Massachusetts General Hospital Corrigan Minehan Heart Center use a minimally invasive technique called catheter ablation to treat atrial fibrillation. Your health and safety is our top priority. We have taken unprecedented steps to ensure office visits, procedures and surgeries are welcoming and safe. Our dedicated physicians, nurses and staff are committed to providing the best possible care. ![]() Billing, Insurance & Financial Assistance. ![]()
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