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Figure 3 Intracardiac electrogram during pilsicainide-induced ventricular tachycardia by an implantable cardioverter defibrillator in case 9. (a) Incessant polymorphic ventricular tachycardia occurred immediately after intravenous administration of pilsicainide. (b) Ventricular fibrillation occurred 7 h after injection of pilsicainide, and it was terminated by implantable cardioverter defibrillator therapy.
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