Related Experiment Video

Updated: Feb 1, 2026

Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice
15:45

Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice

Published on: February 10, 2013

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Persistent but reversible advanced atrio-ventricular block in a heart transplant man induced by dobutamine stress

M Kyriakopoulou1, D C Mirica1, R Casado-Arroyo1

  • 1Cardiology Department, Université Libre de Bruxelles, Hôpital Erasme, Route de Lennik 808, 1070, Bruxelles, Belgium.

Journal of Electrocardiology
|December 1, 2018
PubMed

Insights

Dobutamine stress echocardiography rarely causes heart block. This case highlights a heart transplant patient who developed persistent advanced atrioventricular block requiring pacemaker implantation after the procedure.

Area of Science:

  • Cardiology
  • Cardiac Electrophysiology

Background:

  • Dobutamine stress echocardiography (DSE) is a common diagnostic tool.
  • Transient atrioventricular (AV) block is a rare complication of DSE.

Observation:

  • A heart transplant patient with high cardiovascular risk underwent DSE.
  • The patient developed symptomatic advanced AV block during the procedure.

Findings:

  • The AV block persisted even after dobutamine administration was stopped.
  • Pacemaker implantation was necessary due to the persistent high-grade AV block.

Implications:

  • This case represents the first reported instance of persistent high-grade AV block induced by DSE in a heart transplant recipient.
  • Clinicians should be vigilant for prolonged AV block in high-risk patients, especially heart transplant recipients, undergoing DSE.

Keywords:
Advanced atrio-ventricular (AV) blockDobutamine stress echocardiography (DSE)Heart transplant

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