A Case of Premature Ventricular Contraction Originating at the Aortomitral Fibrous Continuity and Exiting from the Anterolateral Papillary Muscle due to Muscular Chordae Tendineae
HeartRhythm Case Reports（2022）
Abstract
Most idiopathic premature ventricular contractions (PVCs) originate from the right ventricular outflow tract, and catheter ablation is an established treatment option.1 In contrast, idiopathic PVCs originating from the left ventricle (LV) can be difficult to treat with catheter ablation. Idiopathic PVCs originating from the LV are frequently associated with conduction systems, such as the Purkinje fiber network, and have been reported to form a unique and complex arrhythmic substrate.2
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Key words
premature ventricular contraction,aortomitral fibrous continuity,anterolateral papillary muscle
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