Catheter ablation of ventricular tachycardia originating from the left posterior papillary muscle guided by the shadow of a multipolar catheter
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A 62-year-old man without structural heart disease underwent electrophysiological testing for ventricular tachycardia (VT). Hemodynamically unstable VT was induced after isoproterenol (ISP) provocation. Electroanatomical mapping using a multipolar catheter ide... ...
