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Catheter ablation can improve the symptoms and quality of life of patients with atrial fibrillation - and often also permanently stop the annoying interference in the heart, atrial fibrillation. To do this, the electrical interference impulses in the heart are specifically destroyed using a catheter and high-frequency current or freezing. How exactly does such an operation work? Which atrial fibrillation patients benefit most from the procedure and which less? And what do new technologies promise? Specialists explain the ablation using a patient as an example. More information about ablation therapy can be found at www.herzstiftung.de/ablation-bei-vorhofflimmern