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Clinical significance and possible mechanism of different ventricular electrogram morphology in selective left bundle branch pacing

2024-12-03 cardiovascular medicine Title + abstract only
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BackgroundCurrently, splitting of electrogram (EGM) or electrocardiogram (ECG) under threshold test are used as the gold standard to assess Left bundle branch (LBB) capture in LBB area pacing. However, discrete intracardiac ventricular EGM has not been reported until now. This study aims to explore the clinical significance and possible mechanism of different pacing ventricular EGM morphologies in selective LBB pacing. MethodsOnly patients with evidence of selective LBB pacing (splitting of EGM...

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