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Updated: May 1, 2026

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Advanced Electroanatomic Mapping: Current and Emerging Approaches.

Sanjiv M Narayan1,2,3, Roy M John1,2

  • 1Cardiovascular Division, Stanford University, Stanford, CA, USA.

Current Treatment Options in Cardiovascular Medicine
|October 17, 2025
PubMed
Summary
This summary is machine-generated.

Current electroanatomic mapping systems improve procedural efficiency but not always ablation outcomes for complex arrhythmias like atrial fibrillation (AF) and ventricular tachycardia (VT). Novel systems show promise but require further validation in large trials.

Keywords:
AblationArrhythmiasComputerizedElectrophysiologyMapping

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Area of Science:

  • Cardiovascular Electrophysiology
  • Medical Device Technology
  • Cardiac Arrhythmia Management

Background:

  • Electrophysiology mapping systems are crucial for complex arrhythmia ablation.
  • Current systems offer advanced anatomical and electrical mapping capabilities.
  • Despite advancements, improved ablation outcomes for specific arrhythmias remain a challenge.

Purpose of the Study:

  • To review current and emerging electroanatomic mapping systems for complex arrhythmias.
  • To identify challenges and unmet needs in cardiac electroanatomic mapping.
  • To assess the impact of mapping systems on ablation outcomes.

Main Methods:

  • Review of the latest versions of major electroanatomic mapping systems (Carto, Ensite X, Rhythmia).
  • Analysis of system capabilities including real-time anatomical mapping, electrical point integration, and visualization of voltage and ablation lesions.
  • Evaluation of reported procedural efficiency and ablation outcomes for various arrhythmias.

Main Results:

  • Current mapping systems provide high-resolution anatomical and electrical data, enhancing procedural efficiency.
  • Evidence for improved ablation outcomes, particularly for atrial fibrillation (AF), scar-related atrial flutter, ventricular tachycardia (VT), and ventricular fibrillation (VF), is limited.
  • Novel functional mapping systems demonstrate potential in small studies but lack validation in large randomized trials.

Conclusions:

  • Electrophysiologic mapping is mature for simpler arrhythmias but faces challenges with complex cases.
  • Significant unmet needs persist in improving ablation success rates for challenging arrhythmias.
  • Emerging technologies require further rigorous evaluation to confirm their clinical benefit in broad patient populations.