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      "text": "2 Heart Disease and Stroke Statistics—2017 Update: A Report From the American Heart Association\n3 See Lindberg, T et al Prevalence and Incidence of Atrial Fibrillation and Other Arrhythmias in the General Older Population\n4 Zimetbaum, P Antiarrhythmic Drug Therapy for Atrial Fibrillation",
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      "text": "Ablation to treat AF was first pioneered in the context of open-heart surgery by James Cox in 1987... In 1998, the logic was applied in the electrophysiology lab as radiofrequency (RF) energy was applied via catheter.",
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      "text": "The severity of AF and its classification are dependent upon the length of a patient's episodes... Historically, AF was treated with anti-arrhythmic drugs (AAD) coupled with anticoagulants, but these are successful in maintaining sinus rhythm in only 30-60% of patients.",
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      "text": "By far the most common arrhythmia diagnosed in the US is atrial fibrillation (AF), with about half a million hospitalizations each year occurring with a primary diagnosis of AF, while the true prevalence is estimated at 3 to 7 million people.",
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