Coumel's sign reversed: What is the mechanism?

A patient presented with documented narrow QRS tachycardia. During electrophysiological study, he has orthodromic reciprocating tachycardia with atrial activation consistent with left free wall accessory pathway. With induction of tachycardia, beats with LBBB morphology have shorter cycle length tha...

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Detalles Bibliográficos
Autores principales: Bootla, Dinakar, Jain, Ashish, Mittal, Gaurav kumar, Selvaraj, Raja J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2021
Materias:
EP / Device Round
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8981158/
https://www.ncbi.nlm.nih.gov/pubmed/34826604
http://dx.doi.org/10.1016/j.ipej.2021.11.007
Descripción
Sumario:A patient presented with documented narrow QRS tachycardia. During electrophysiological study, he has orthodromic reciprocating tachycardia with atrial activation consistent with left free wall accessory pathway. With induction of tachycardia, beats with LBBB morphology have shorter cycle length than those with narrow QRS. What is the mechanism?

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