Re‐evaluating the electro‐vectorcardiographic criteria for left bundle branch block

The criteria for left bundle branch block have gained growing interest in the last few years. In this overview, we discuss diagnostic and prognostic aspects of different criteria. It was already shown that stricter criteria, including longer QRS duration and slurring/notching of the QRS, better iden...

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Bibliographic Details
Published in:Annals of noninvasive electrocardiology 2019-07, Vol.24 (4), p.e12644-n/a
Main Authors: Pérez‐Riera, Andrés Ricardo, Barbosa‐Barros, Raimundo, Daminello‐Raimundo, Rodrigo, de Abreu, Luiz Carlos, de Almeida, Marcos Célio, Rankinen, Jani, Baeub Soler, Fabio, Nikus, Kjell
Format: Article
Language:English
Subjects:
Bundle-Branch Block - diagnosis
Bundle-Branch Block - physiopathology
Bundling
cardiac resynchronization therapy
concordant and appropriate discordance
Criteria
Diagnostic systems
Discordance
Electrocardiography
Humans
left bundle branch block
QRS duration
QRS notched/slurred R waves in lateral leads
Review
Vectorcardiography
Vectorcardiography - methods
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Summary:The criteria for left bundle branch block have gained growing interest in the last few years. In this overview, we discuss diagnostic and prognostic aspects of different criteria. It was already shown that stricter criteria, including longer QRS duration and slurring/notching of the QRS, better identify responders to cardiac resynchronization therapy. We also include aspects of ST/T concordance and discordance and vectorcardiography, which could further improve in the fine‐tuning of the left bundle branch criteria.
ISSN:1082-720X
1542-474X
DOI:10.1111/anec.12644