Abstract
Ventricular tachycardia (VT) arising in the His-Purkinje system is an important cause of narrow complex tachycardia that is often amenable to catheter ablation. Ventricular arrhythmias may require targeted mapping and ablation of endocavitary structures, such as papillary muscles or false tendons to eliminate symptomatic arrhythmia. We describe a patient with narrow QRS (NQRS) tachycardia who required mapping and ablation of a left ventricular false tendon (LVFT). Intracardiac echocardiography (ICE) was used to identify the target and optimize contact to successfully ablate this unique focus for arrhythmia.
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