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Updated: Sep 27, 2026

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

Published on: January 31, 2019

[Electro-vectorcardiographic study of ventricular extrasystole in arrhythmogenic dysplasia of the right ventricle]

B Canciani1, G Buja, A Betto

  • 1Cattedra di Cardiologia, Università di Padova, Italy.

Annales De Cardiologie Et D'Angeiologie
|May 1, 1990
PubMed

Insights

The morphology of ventricular extrasystoles (VES) can indicate their origin in arrhythmogenic dysplasia of the right ventricle (ADRV). This finding helps pinpoint disease location through electrocardiogram analysis.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Imaging

Context:

  • Arrhythmogenic dysplasia of the right ventricle (ADRV) is a significant cause of ventricular arrhythmias.
  • Intracavitary mapping is crucial for localizing the origin of ventricular arrhythmias.
  • Understanding the relationship between electrocardiographic morphology and origin is vital for diagnosis and treatment.

Purpose:

  • To correlate the morphology of ventricular extrasystoles (VES) with their specific origin in patients with arrhythmogenic dysplasia of the right ventricle (ADRV).
  • To determine if electrocardiographic patterns of VES can predict the anatomical site of origin within the ventricles.

Summary:

  • This study analyzed 46 cases of arrhythmogenic dysplasia of the right ventricle (ADRV), correlating ventricular extrasystole (VES) morphology with intracavitary mapping data.
  • Left bundle-branch block (LBB) morphology VES originated in the right ventricle, while right bundle-branch block (RBB) morphology VES originated in the left ventricle apex.
  • Atypical VES morphologies were linked to the upper posterior septum, suggesting morphology is a reliable indicator of origin.

Impact:

  • Provides a non-invasive method to infer the origin of ventricular arrhythmias in ADRV based on VES morphology.
  • May improve diagnostic accuracy and guide therapeutic strategies for patients with arrhythmogenic dysplasia of the right ventricle.
  • Enhances understanding of the electrophysiological substrate in arrhythmogenic dysplasia of the right ventricle.

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