Radiofrequency ablation of the proximal right bundle branch can successfully treat bundle branch re-entrant ventricular tachycardia in a patient with complete heart block and a dual-chamber pacemaker.
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May treat bundle branch re-entrant VT in paced patients with heart block; hypothesis-generating case report requiring prospective validation.
A 58-year-old male patient presented episodes of palpitations in the context of atrioventricular block treated by a dual-chamber pacemaker. Clinical and electrophysiological studies identified the tachyarrhythmia to be bundle branch re-entrant ventricular tachycardia, which was successfully treated by radiofrequency ablation of the proximal right bundle branch.
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Irtel et al. (2006) studied this question.
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