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Related Experiment Videos

Ventricular tachycardia induced by a pacemaker lead.

Adam Bõhm1, Arnold Pintér, István Préda

  • 12nd Medical Department, Faculty of Health Sciences, Semmelweis University, Budapest, Hungary. bohm@freemail.hu

Acta Cardiologica
|March 29, 2002
PubMed
Summary

A permanent ventricular pacing lead loop caused symptomatic ventricular tachycardia through mechanical irritation. Repositioning the lead resolved the arrhythmia, highlighting lead placement importance.

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Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Devices

Background:

  • Permanent ventricular pacing is a common treatment for bradyarrhythmias.
  • Ventricular pacing leads can sometimes cause complications.
  • Mechanical irritation from pacing leads is a potential, though uncommon, adverse event.

Observation:

  • A patient developed symptomatic non-sustained ventricular tachycardia.
  • The tachycardia was directly linked to mechanical irritation of the right ventricle outflow tract.
  • The irritation was caused by a loop in the permanent ventricular pacing lead.

Findings:

  • Mechanical irritation from a pacing lead loop can induce ventricular tachycardia.
  • Lead repositioning is an effective treatment for tachycardia caused by lead impingement.

Related Experiment Videos

  • Accurate lead placement is crucial for preventing pacing-related complications.

    • Implications:

    • This case underscores the importance of careful assessment of pacing lead placement.
    • Clinicians should consider lead-induced mechanical irritation in patients with new-onset ventricular arrhythmias on pacing.
    • Optimizing lead positioning can prevent significant cardiac rhythm disturbances.