Bundle branch reentrant tachycardia treated by electrical ablation of the right bundle branch

A 66 year old man presented with multiple episodes of tachycardia. Some had QRS complexes with a right bundle branch block configuration identical to those of sinus beats. The onset of the tachycardia was preceded by premature His bundle depolarizations. There was a His potential before each QRS com...

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Bibliographic Details
Published in:Journal of the American College of Cardiology 1986-06, Vol.7 (6), p.1404-1409
Main Authors: Touboul, Paul, Kirkorian, Gilbert, Atallah, Georges, Lavaud, Pierre, Moleur, Pierre, Lamaud, Michel, Mathieu, Marie P.
Format: Article
Language:English
Subjects:
Aged
Bundle of His - surgery
Electrosurgery
Heart Conduction System - surgery
Humans
Male
Tachycardia - surgery
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Summary:A 66 year old man presented with multiple episodes of tachycardia. Some had QRS complexes with a right bundle branch block configuration identical to those of sinus beats. The onset of the tachycardia was preceded by premature His bundle depolarizations. There was a His potential before each QRS complex of the tachycardia. Atrial activity was dissociated. Occasionally the appearance of sinus beats with a left bundle branch block pattern announced a tachycardia with an identical configuration and atrioventricular dissociation. His bundle activity occurred before the QRS complex and was followed by a right bundle branch deflection. A reentrant mechanism within the bundle branch system was invoked. One 200 J shock was delivered through an electrode catheter to the site of the right bundle branch. The postprocedure course was uneventful (follow-up 10 months).
ISSN:0735-1097
1558-3597
DOI:10.1016/S0735-1097(86)80163-2