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Split Accessory Pathway Potentials in a Patient with Antidromic AVRT
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  • Weizhuo Liu,
  • Wentao Gu,
  • Xinping Luo,
  • Jian Li,
  • Nanqing Xiong
Weizhuo Liu
Shanghai Chest Hospital, Shanghai Jiaotong University

Corresponding Author:violaliu95@126.com

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Wentao Gu
Huashan Hospital Fudan University
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Xinping Luo
Huashan Hospital Fudan University
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Jian Li
Huashan Hospital Fudan University
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Nanqing Xiong
Huashan Hospital Fudan University
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Abstract

A 27-year-old female presenting palpitation without ECG documentation underwent electrophysiology study. EP study revealed atrioventricular accessory pathway with poor and unidirectional pathway conduction, and a fasciculoventricular pathway. During isoproterenol infusion, delta wave promptly became prominent, after which an antidromic AV reentrant tachycardia was induced. When the pathway was mapped, widely split double pathway potentials were observed at 12 o'clock site of tricuspid annulus during mild preexcitation, demonstrating an example of intra-pathway conduction delay, which can be reversed by isoproterenol. Ablation at the site caused accelerated pathway rhythm and eliminated the pathway, rendering the tachycardia non-inducible.
08 Nov 2021Submitted to Journal of Cardiovascular Electrophysiology
16 Nov 2021Submission Checks Completed
16 Nov 2021Assigned to Editor
21 Nov 2021Reviewer(s) Assigned
05 Dec 2021Review(s) Completed, Editorial Evaluation Pending
09 Dec 2021Editorial Decision: Revise Minor
16 Dec 20211st Revision Received
16 Dec 2021Submission Checks Completed
16 Dec 2021Assigned to Editor
16 Dec 2021Reviewer(s) Assigned
01 Jan 2022Review(s) Completed, Editorial Evaluation Pending
02 Jan 2022Editorial Decision: Revise Minor
10 Jan 20222nd Revision Received
12 Jan 2022Submission Checks Completed
12 Jan 2022Assigned to Editor
12 Jan 2022Reviewer(s) Assigned
15 Jan 2022Review(s) Completed, Editorial Evaluation Pending
17 Jan 2022Editorial Decision: Accept
Apr 2022Published in Journal of Cardiovascular Electrophysiology volume 33 issue 4 on pages 765-768. 10.1111/jce.15377