New-onset intrinsic and paced QRS morphology of right bundle branch block pattern after atrioventricular nodal ablation: Longitudinal dissociation or anatomical bifurcation?

被引：13

作者：

Wu, Shengjie ^{[1
,2
]}

Su, Lan ^{[1
,2
]}

Zheng, Rujie ^{[1
,2
]}

Xu, Lei ^{[1
,2
]}

Huang, Weijian ^{[1
,2
]}

机构：

[1] Wenzhou Med Univ, Affiliated Hosp 1, Dept Cardiol, Wenzhou, Zhejiang, Peoples R China

[2] Key Lab Cardiovasc Dis Sci & Technol Wenzhou, Wenzhou, Peoples R China

来源：

JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY | 2020年 / 31卷 / 05期

关键词：

anatomical bifurcation; distal his bundle pacing; His bundle pacing; left bundle branch pacing; longitudinal dissociation; proximal left bundle branch pacing; HIS-BUNDLE;

D O I：

10.1111/jce.14469

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

We performed left bundle pacing combined with atrioventricular nodal (AVN) ablation in a patient with persistent atrial fibrillation and refractory symptomatic heart failure. The major findings were new-onset intrinsic and paced QRS morphology of right bundle branch block (RBBB) pattern after AVN ablation which was performed at a more atrial site compared with the pacing site and the paced RBBB pattern could not be corrected regardless of the pacing output. Longitudinal dissociation cannot explain this observation, while anatomical separation could. We also confirm this was proximal left bundle pacing rather than His bundle pacing.

引用

收藏

页码：1218 / 1221

页数：4

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