In a patient with bundle-branch reentry tachycardia, right bundle branch ablation eliminated the primary arrhythmia but did not prevent a different ventricular tachycardia, necessitating ICD implantation.
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Right bundle ablation success warrants caution for residual ventricular tachycardia; hypothesis-generating for ICD necessity in bundle branch reentry.
Kusniec et al. (1993) studied this question.
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