![]() With AV node ablation, the entire atrioventricular (AV) node is destroyed. AV node ablation can control symptoms of atrial fibrillation in some people. AV node ablationĪV node ablation is a slightly different type of ablation procedure for atrial fibrillation. (The pulmonary veins bring blood back from the lungs to the heart.) Catheter ablation in a pulmonary vein can block these impulses and keep atrial fibrillation from happening. Sometimes, abnormal impulses come from inside a pulmonary vein and cause atrial fibrillation. ![]() Another option is to use freezing cold to destroy the heart tissue. This heat destroys the heart tissue that causes atrial fibrillation or the heart tissue that keeps it happening. The electrode sends out radio waves that create heat. There is an electrode at the tip of each catheter. Thin, flexible tubes called catheters are inserted into a vein, typically in the groin or neck, and threaded up into the heart. The procedure is done in a hospital where you can be watched carefully. A local anesthetic will numb the site where the catheter is inserted. You will be given medicine to help you relax. It can relieve symptoms and improve quality of life.ĭuring a catheter ablation, the doctor destroys tiny areas in the heart that are firing off abnormal electrical impulses and causing atrial fibrillation. Catheter ablation is a minimally invasive procedure to treat atrial fibrillation.
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