Ablation of noninducible idiopathic left ventricular tachycardia using a noncontact map acquired from a premature complex with tachycardia morphology |
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Authors: | Friedman P A Beinborn D A Schultz J Hammill S C |
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Affiliation: | Division of Internal and Cardiovascular Medicine, Mayo Clinic, Rochester, MN 55902, USA. pfriedman@mayo.edu |
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Abstract: | We describe use of a novel noncontact system to permit mapping in a noninducible patient from a single premature ventricular complex with tachycardia morphology, thus guiding successful ablation after two previously failed conventional efforts. The instantaneous global electroanatomic map demonstrated fascicular macroreentry. Subsequent to ablation at an inferolateral site, there has been no clinical recurrence despite difficult arrhythmia control preprocedure. This case demonstrated that noncontact mapping can be used to create a potential map to guide successful ablation from a single premature ventricular complex in a patient with idiopathic left ventricular tachycardia that became noninducible at electrophysiological study. |
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Keywords: | catheter ablation tachyarrhythmias ventricular arrhythmia mapping idiopathic ventricular tachycardia fascicular tachycardia radiofrequency ablation |
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