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Effects of Right and Left Ventricular Pacing for Substrate Mapping Using Decrement-Evoked Potential Mapping in Patients with Scar-Related Ventricular Tachycardia

2025-08-12 cardiovascular medicine Title + abstract only
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BackgroundThe ventricular tachycardia (VT) substrate map is influenced by the rhythm during mapping. This study aimed to elucidate the effects of different pacing sites on substrate mapping using decrement-evoked potential (DEEP) mapping in patients with scar-related VT. MethodsPatients with ischemic cardiomyopathy (ICM) or nonischemic cardiomyopathy (NICM) who underwent substrate mapping and ablation for scar-related VT were included. DEEP mapping was performed during right ventricular apex (R...

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