Mechanism of QRS electrical alternans

被引：11

作者：

BrembillaPerrot, B

Lucron, H

Schwalm, F

Haouzi, A

机构：

[1] Cardiology A, University Hospital of Brabois, Vandoeuvre

[2] Cardiovascular Surgery, University Hospital, Vandoeuvre

[3] Cardiologie A, CHU de Brabois

来源：

HEART | 1997年 / 77卷 / 02期

关键词：

QRS alternans; nodal duality;

D O I：

10.1136/hrt.77.2.180

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

In patients with latent dual atrioventricular nodal pathways a 2:1 ventriculoatrial block often occurs during ventricular pacing and is generally associated with the concomitant appearance of QRS alternans. This type of QRS alternans is related to retrograde conduction, and a concealed retrograde conduction in the His Purkinje system could explain the QRS alternans. A case that confirms the hypothesis that electrical alternans is secondary to a 2:1 block in the activation of some part of the ventricles is reported.

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收藏

页码：180 / 182

页数：3

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