Transient narrowing of a wide QRS tachycardia. What is the mechanism?

Electrocardiogram showing a regular wide QRS tachycardia with left branch block (LBBB) like in morphology at 200 beats per minute (bpm). During electrophysiology study, it suddenly gets narrow and faster. What is the mechanism of the switch from a broad complex to a narrow complex tachycardia?[Image...

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Detalles Bibliográficos
Autores principales: Ribes, Francisco, Martínez‐Brótons, Ángel, Ferrero‐De‐Loma‐Osorio, Ángel, Bondanza, Lourdes, Albiach, Cristina, Marcos‐Garcés, Víctor, Ruiz‐Granell, Ricardo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2020
Materias:
Eps for Resident Physicians
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7279974/
https://www.ncbi.nlm.nih.gov/pubmed/32528587
http://dx.doi.org/10.1002/joa3.12334
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author Ribes, Francisco
Martínez‐Brótons, Ángel
Ferrero‐De‐Loma‐Osorio, Ángel
Bondanza, Lourdes
Albiach, Cristina
Marcos‐Garcés, Víctor
Ruiz‐Granell, Ricardo
author_facet Ribes, Francisco
Martínez‐Brótons, Ángel
Ferrero‐De‐Loma‐Osorio, Ángel
Bondanza, Lourdes
Albiach, Cristina
Marcos‐Garcés, Víctor
Ruiz‐Granell, Ricardo
author_sort Ribes, Francisco
collection PubMed
description Electrocardiogram showing a regular wide QRS tachycardia with left branch block (LBBB) like in morphology at 200 beats per minute (bpm). During electrophysiology study, it suddenly gets narrow and faster. What is the mechanism of the switch from a broad complex to a narrow complex tachycardia?[Image: see text]
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spelling pubmed-72799742020-06-10 Transient narrowing of a wide QRS tachycardia. What is the mechanism? Ribes, Francisco Martínez‐Brótons, Ángel Ferrero‐De‐Loma‐Osorio, Ángel Bondanza, Lourdes Albiach, Cristina Marcos‐Garcés, Víctor Ruiz‐Granell, Ricardo J Arrhythm Eps for Resident Physicians Electrocardiogram showing a regular wide QRS tachycardia with left branch block (LBBB) like in morphology at 200 beats per minute (bpm). During electrophysiology study, it suddenly gets narrow and faster. What is the mechanism of the switch from a broad complex to a narrow complex tachycardia?[Image: see text] John Wiley and Sons Inc. 2020-03-24 /pmc/articles/PMC7279974/ /pubmed/32528587 http://dx.doi.org/10.1002/joa3.12334 Text en © 2020 The Authors. Journal of Arrhythmia published by John Wiley & Sons Australia, Ltd on behalf of Japanese Heart Rhythm Society. This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Eps for Resident Physicians
Ribes, Francisco
Martínez‐Brótons, Ángel
Ferrero‐De‐Loma‐Osorio, Ángel
Bondanza, Lourdes
Albiach, Cristina
Marcos‐Garcés, Víctor
Ruiz‐Granell, Ricardo
Transient narrowing of a wide QRS tachycardia. What is the mechanism?
title Transient narrowing of a wide QRS tachycardia. What is the mechanism?
title_full Transient narrowing of a wide QRS tachycardia. What is the mechanism?
title_fullStr Transient narrowing of a wide QRS tachycardia. What is the mechanism?
title_full_unstemmed Transient narrowing of a wide QRS tachycardia. What is the mechanism?
title_short Transient narrowing of a wide QRS tachycardia. What is the mechanism?
title_sort transient narrowing of a wide qrs tachycardia. what is the mechanism?
topic Eps for Resident Physicians
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7279974/
https://www.ncbi.nlm.nih.gov/pubmed/32528587
http://dx.doi.org/10.1002/joa3.12334
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