Key result
A case of biatrial tachycardia involving a long epicardial circuit composed of Bachmann's bundle and the left atrial ridge was presented and optimal ablation techniques were discussed.
Why the study?
Biatrial tachycardia involving Bachmann's bundle has sometimes been observed after mitral anterior line ablation, but optimal ablation techniques and the relationship between Bachmann's bundle and the left atrial ridge require clarification.
Case Report (n=1)
This case report highlights the anatomical relationship between Bachmann's bundle and the left atrial ridge in biatrial tachycardia and discusses optimal ablation techniques.
Informs ablation planning in complex biatrial tachycardias; leaves open optimal strategies pending larger validation studies.
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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Shimeno et al. (2021) conducted a case report in Biatrial tachycardia (n=1). Ablation was evaluated. A case of biatrial tachycardia involving a long epicardial circuit composed of Bachmann's bundle and the left atrial ridge was presented and optimal ablation techniques were discussed.
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