The most common origin of idiopathic ventricular arrhythmias(IVAs)is the ventricular outflow tract(OT),radiofrequency ablation has become one of the common methods for the treatment of OT-ventricular arrhythmias(VAs).The source of VAs can be determined by electrocardiogram,which can provide valuable information for the formulation of a reasonable ablation plan,so as to improve the success rate of surgery,reduce the operation time and reduce the risk of complications.
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