Radiofrequency epicardial ablation of ventricular tachycardia (VT) is a safe, effective modality for treatment of VT.1 Epicardial VT circuits were originally described in Chagas disease, but the importance of nonendocardial substrates for VT increasingly are recognized in other cardiomyopathies.2 In arrhythmogenic right ventricular cardiomyopathy (ARVC), failure of endocardial VT ablation often...
