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Premature Ventricular Contraction Ablation With Anatomic Guidance: Papillary Muscles, Moderator Band, and Valve Annulus Sites
Introduction Most ventricular arrhythmias (VAs) in patients without structural heart disease originate from the outflow tracts of the right ventricle (RV) and left ventricle (LV). However, up to 20% of idiopathic VAs may originate from non–outflow tract sites, including the…