Direct Endocardial Recording and Catheter Ablation of an Accessory Pathway in a Patient with Incessant Supraventricular Tachycardia

A patient presented with incessant supraventricular tachycardia due to a concealed accessory pathway. The His bundle electrocardiogram showed a large discrete accessory pathway potential following ventricular activation and resulting in retrograde atrial activation. Percutaneous catheter ablation in...

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Bibliographic Details
Published in:Pacing and clinical electrophysiology 1988-11, Vol.11 (11), p.1533-1539
Main Authors: WEBB, JOHN G., DOWNAR, EUGENE, HARRIS, LOUISE, ROSSALL, RICHARD E.
Format: Article
Language:English
Subjects:
accessory pathway
Adult
Cardiac Catheterization
catheter ablation
Electrocardiography
Electrocoagulation
Endocardium
Female
Heart Conduction System - surgery
Humans
Tachycardia, Supraventricular - surgery
Wolff-Parkinson-White syndrome
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Summary:A patient presented with incessant supraventricular tachycardia due to a concealed accessory pathway. The His bundle electrocardiogram showed a large discrete accessory pathway potential following ventricular activation and resulting in retrograde atrial activation. Percutaneous catheter ablation in the region of the accessory pathway potential left nodal conduction intact but prevented retrograde activation of the atria. Symptomatic tachycardia has not recurred. Direct endocardial recording of accessory pathway potentials is rare hut may offer the opportunity for catheter ablation.
ISSN:0147-8389
1540-8159
DOI:10.1111/j.1540-8159.1988.tb06270.x