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Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
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Electrocardiographic characteristics of ventricular arrhythmia originating from the left coronary cusp

Antoine Kossaify1, Nadir Saoudi, Sami Succar

  • 1Electrophysiology Unit, Cardiology Division, CHU-NDS/USEK, Byblos 00003, Lebanon.

Case Reports in Medicine
|December 14, 2011
PubMed

Insights

Arrhythmias originating from aortic cusps are uncommon but have distinct electrocardiogram patterns. This case highlights a young male patient whose accelerated idioventricular rhythm was characteristic of a left coronary cusp origin.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Cardiac Electrophysiology

Background:

  • Arrhythmias originating from the aortic cusps are infrequent.
  • Specific electrocardiogram (ECG) features aid in identifying the arrhythmia's origin.
  • Accelerated idioventricular rhythm (AIVR) can sometimes arise from unusual locations.

Observation:

  • A 20-year-old male patient presented with symptoms suggestive of an arrhythmia.
  • The patient had no underlying structural heart disease.
  • Electrocardiogram analysis revealed an accelerated idioventricular rhythm.

Findings:

  • The electrocardiogram findings were highly suggestive of an arrhythmia originating from the left coronary cusp.
  • This specific origin for AIVR is considered rare.

Implications:

  • Understanding these rare arrhythmia origins is crucial for accurate diagnosis and targeted treatment.
  • Further research into aortic cusp-related arrhythmias may refine diagnostic criteria and therapeutic strategies.
  • This case contributes to the literature on the electrocardiographic localization of idiopathic ventricular arrhythmias.

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