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A Case of Junctional Ectopic Tachycardia and Complete Atrioventricular Block After Transcatheter Aortic Valve

Shingo Yoshimura1, Suguru Ueba1, Kenichi Kaseno1

  • 1Division of Cardiology, Gunma Prefectural Cardiovascular Center, Maebashi, Gunma, Japan.

Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc
|November 6, 2025
PubMed

Insights

Junctional ectopic tachycardia (JET) and complete atrioventricular (AV) block were observed after transcatheter aortic valve replacement (TAVR). This case was successfully managed with medication and a permanent pacemaker, highlighting a rare complication post-TAVR.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Adult Congenital Heart Disease

Background:

  • Junctional ectopic tachycardia (JET) is a tachyarrhythmia originating from the atrioventricular (AV) node or bundle of His, often seen in pediatric patients post-cardiac surgery.
  • Accelerated junctional rhythm (AJR) with potential AV block risk has been noted after transcatheter aortic valve replacement (TAVR).
  • JET following TAVR has not been previously documented.

Keywords:
atrioventricular blockjunctional ectopic tachycardianarrow QRS tachycardiapacemaker implantationtranscatheter aortic valve replacement

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