Absent right bundle branch block: Is it a clue of pre-excitation in Ebstein's anomaly?

A 14-year-old male with a history of symptomatic tachycardia was referred for ablation. Sinus rhythm electrocardiogram was not showing any pre-excitation. Tachycardia episode was showing antidromic tachycardia with left bundle branch block morphology. Echocardiographic examination was showing Ebstei...

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Detalles Bibliográficos
Autores principales: Gangurde, Pranil Bhalchandra, Tidake, Abhay, Shah, Hetan, Mahajan, Ajay, Lokhandwala, Yash, Nathani, Pratap
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2016
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5067457/
https://www.ncbi.nlm.nih.gov/pubmed/27751284
http://dx.doi.org/10.1016/j.ihj.2015.11.001
Descripción
Sumario:A 14-year-old male with a history of symptomatic tachycardia was referred for ablation. Sinus rhythm electrocardiogram was not showing any pre-excitation. Tachycardia episode was showing antidromic tachycardia with left bundle branch block morphology. Echocardiographic examination was showing Ebstein's anomaly with septal tricuspid leaflet displaced 24 mm apically. The right bundle branch block (RBBB) was concealed during sinus rhythm. The RBBB was revealed with ablation of right posterior atriofascicular accessory pathway.

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