Mechanism of QRS electrical alternans

Béatrice Brembilla-Perrot; Hugues Lucron; Françoise Schwalm; Annick Haouzi

doi:10.1136/hrt.77.2.180

Mechanism of QRS electrical alternans

Béatrice Brembilla-Perrot
, Hugues Lucron
, Françoise Schwalm
, Annick Haouzi

Department of Medicine

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	180-182
Number of pages	3
Journal	Heart
Volume	77
Issue number	2
DOIs	https://doi.org/10.1136/hrt.77.2.180
State	Published - 1997

All Science Journal Classification (ASJC) codes

Cardiology and Cardiovascular Medicine

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10.1136/hrt.77.2.180

Cite this

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abstract = "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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AU - Brembilla-Perrot, Béatrice

AU - Lucron, Hugues

AU - Schwalm, Françoise

AU - Haouzi, Annick

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Y1 - 1997

N2 - 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.

AB - 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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JO - Heart

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Mechanism of QRS electrical alternans

Abstract

All Science Journal Classification (ASJC) codes

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