Previously undescribed transient trifascicular block: left septal fascicular block associated with left anterior fascicular block and complete right bundle branch block

IF 1.3 4区医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of electrocardiology Pub Date : 2025-07-04 DOI:10.1016/j.jelectrocard.2025.154060

Kjell Nikus MD , Jani Rankinen MD , Raine Virtanen MD , Yochai Birnbaum MD , Andrés Ricardo Pérez-Riera MD

引用次数: 0

Abstract

Exercise-induced complete right bundle branch block (CRBBB) remains a rare finding during a treadmill test. Both exercise-induced CRBBB and left anterior fascicular block (LAFB) have been associated with coronary artery disease, more specifically with stenosis of the left anterior descending coronary artery. Left septal fascicular block (LSFB) has been associated with acute and chronic coronary syndromes. We describe a patient case with severe left main coronary artery disease. In an exercise test, a rare combination of these three ventricular conduction disorders developed. In a second exercise test after coronary bypass surgery, LAFB and typical CRBBB developed without LSFB.

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先前未描述过的短暂性三束神经阻滞：左间隔肌束阻滞合并左前肌束阻滞和完全性右束支阻滞

运动引起的完全右束分支阻滞（CRBBB）在跑步机试验中仍然是一种罕见的发现。运动诱导的CRBBB和左前束传导阻滞（LAFB）都与冠状动脉疾病有关，特别是与冠状动脉左前降支狭窄有关。左间隔束传导阻滞（LSFB）与急性和慢性冠状动脉综合征有关。我们报告一例严重的左主干冠状动脉疾病。在一次运动试验中，出现了这三种心室传导障碍的罕见组合。在冠状动脉搭桥术后的第二次运动试验中，LAFB和典型CRBBB的发生没有LSFB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of electrocardiology 医学-心血管系统

CiteScore

2.70

自引率

7.70%

发文量

152

审稿时长

38 days

期刊介绍： The Journal of Electrocardiology is devoted exclusively to clinical and experimental studies of the electrical activities of the heart. It seeks to contribute significantly to the accuracy of diagnosis and prognosis and the effective treatment, prevention, or delay of heart disease. Editorial contents include electrocardiography, vectorcardiography, arrhythmias, membrane action potential, cardiac pacing, monitoring defibrillation, instrumentation, drug effects, and computer applications.