The Surface Electrocardiograph in Ventricular Arrhythmias: Lessons in Localisation
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Updated: Feb 4, 2026

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
Published on: April 11, 2025
Haris M Haqqani1, Francis E Marchlinski2
1Faculty of Medicine, University of Queensland, Department of Cardiology, Prince Charles Hospital, Brisbane, Qld, Australia.
Abstract:
The 12-lead electrocardiograph (ECG) is of critical importance both in the diagnosis of wide complex tachycardia and in the further classification, characterisation and management of ventricular arrhythmias. With its diligent application and interpretation, remarkable precision can be achieved in the localisation of the site of origin of ventricular arrhythmias and this may have major implications in the care of these patients. This review discusses the technical, anatomic and mechanistic basis of ECG interpretation in ventricular arrhythmias.
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