Abstract
The papillary muscles are potential sites of reentry that may contribute to the maintenance of ventricular arrhythmia in animal models. Recently, the papillary muscles in the left ventricle have been reported as an arrhythmogenic focus in patients with and without structural heart disease. Over recent decades, the introduction of new catheter ablation technology has led to improvements in treatment, and catheter ablation is often curative for idiopathic ventricular tachycardia, including papillary muscle ventricular tachycardia. This review discusses the current knowledge of ventricular tachycardia originating from the papillary muscles, and explores recent advances in ablation techniques. Key words: Papillary Muscle; Ventricular Tachycardia; Catheter Ablation
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