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  • Title: Right ventricular radiofrequency ablation of ventricular tachycardia after myocardial infarction.
    Author: Menz V, Duthinh V, Callans DJ, Schwartzman D, Gottlieb CD, Marchlinski FE.
    Journal: Pacing Clin Electrophysiol; 1997 Jun; 20(6):1727-31. PubMed ID: 9227777.
    Abstract:
    Radiofrequency transcatheter ablation of ventricular tachycardia in the setting of a prior myocardial infarction is typically performed with application of energy to the left ventricular endocardium. In this article, two cases are described in which successful radiofrequency transcatheter ablation of ventricular tachycardia occurred with energy delivery to the right ventricular septum after failed ablation attempts from the left ventricle. Both patients had tachycardias with a left bundle branch block morphology and markedly presystolic activity recorded from the right ventricular septum. Right ventricular septal activation mapping during ventricular tachycardia should be performed in patients with left bundle branch block tachycardia morphology and coronary artery disease to maximize efficacy of the catheter ablation procedure.
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