Biatrial tachycardia (BiAT), involving Bachmann's bundle in the circuit, has sometimes been observed after mitral anterior line ablation. In this article, we present a case of BiAT, involving a long epicardial circuit, composed of Bachmann's bundle and the left atrial ridge (LAR). We discuss the optimal ablation technique for this tachycardia based on our experience in addition to the relationship between Bachmann's bundle and the LAR. Furthermore, the evaluation method for the mitral anterior block line is also discussed.
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http://dx.doi.org/10.1111/jce.15305 | DOI Listing |
Int J Cardiol Heart Vasc
February 2025
Dept. of Cardiology, Erasmus University Medical Center, Rotterdam, the Netherlands.
Background: Areas of conduction disorders play an important role in both initiation and perpetuation of AF and can be recognized by specific changes in unipolar potential morphology. For example, EGM fractionation may be caused by asynchronous activation of adjacent cardiomyocytes because of structural barriers such as fibrotic strands. However, it is unknown whether there are sex differences in unipolar potential morphology.
View Article and Find Full Text PDFJ Intensive Care Med
September 2024
Pediatric Cardiology, The University of Wisconsin - Madison, School of Medicine and Public Health, USA.
Arrhythmias, common after pediatric cardiac surgery, are associated with increased morbidity and mortality. Atrial epicardial wires (AEW) improve diagnostic accuracy but have variable pacing and sensing properties based on their location. Even so, there are no longitudinal prospective pediatric studies examining ideal placement of AEW.
View Article and Find Full Text PDFJ Electrocardiol
September 2024
Section of Cardiology, Department of Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States of America.
We present a case of advanced interatrial block induced by flecainide toxicity. We discuss the implications of this conduction abnormality.
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