Intra-carina reentrant atrial tachycardia after pulmonary vein isolation of atrial fibrillation

被引：0

作者：

Nakamura, Kohki ^{[1
]}

Sasaki, Takehito ^{[1
]}

Sasaki, Wataru ^{[1
]}

Haraguchi, Yumiko ^{[1
]}

Kimura, Koki ^{[1
]}

Naito, Shigeto ^{[1
]}

机构：

[1] Gunma Prefectural Cardiovasc Ctr, Div Cardiol, 3-12 Kameizumi Machi, Maebashi, Gumma 3710004, Japan

来源：

PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY | 2022年 / 45卷 / 05期

关键词：

atrial tachycardia; carina; entrainment pacing; high resolution mapping; pulmonary vein isolation;

D O I：

10.1111/pace.14440

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

A 77-year-old man underwent catheter ablation of an atrial tachycardia (AT) after a pulmonary vein (PV) isolation of atrial fibrillation. The AT appeared to be a figure-of-eight reentrant AT by high-resolution mapping: one reentrant circuit rotated clockwise within the right PV (RPV) carina and the other rotated counterclockwise via two conduction gaps along the previous RPV isolation line. However, entrainment pacing from the carina and conduction gaps suggested that the AT was an intra-carina localized reentrant AT with a passive loop around the anterior RPV isolation line via those gaps. A radiofrequency application at the RPV carina terminated the AT.

引用

页码：700 / 702

页数：3

共 2 条

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