Is the left bundle branch pacing a choice to conquer the right bundle branch block?-A case report
Song-Yun Chu1, Qin-Hui Sheng1, Er-Dong Chen1
1Department of Cardiology, Peking University First Hospital, Beijing, China.
Abstract:
In patients with preserved ejection fraction or right bundle branch block (RBBB) pattern requiring a high percentage of ventricular pacing, His-bundle pacing (HBP) might be an alternative to biventricular pacing, although the high threshold occasionally occurs. We provided a case of the intrinsic RBBB correction by capturing intra-Hisian left bundle branch (LBB) or distal His-bundle with different output settings. LBB pacing had the advantage of a much lower threshold while remained most synchrony as HBP. LBB pacing might be a promisingly safe and effective procedure for patients with high-grade atrioventricular (AV) block and RBBB pattern.
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