Summary
UHF-ECG differentiates ventricular depolarization patterns during RV septal, apical, anterior wall, and lateral wall pacing and between different locations on the RV septum. Of these locations, capture of the basal interventricular septum with conductive tissue engagement proved to offer the best depolarization pattern, with placement in the right ventricular inflow tract being the second best. The latter position should be considered as an alternative for ventricular pacing when pacing the His-Purkinje conduction system is not possible or available. Our results show that UHF-ECG provides detailed and additional information on electrical ventricular dyssynchrony during RV pacing.
References
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Table 1: Patients and procedural characteristics