Key result
Current electroanatomic mapping systems capture only 2D measurements of 3D myocardial electrical activation.
Why the study?
Current electroanatomic mapping systems sample electrical fields using electrodes aligned in plane with the myocardial surface, providing only two-dimensional measurements of a three-dimensional process.
Introduces a multi-dimensional mapping array to overcome the limitations of current two-dimensional electroanatomic mapping systems in assessing three-dimensional myocardial activation.
May improve EP procedural outcomes in complex cases; extends two-dimensional electroanatomic mapping to multi-dimensional arrays.
Accurately resolving myocardial electrical activation from intracardiac electrograms is fundamental to clinical electrophysiology. Solving this problem allows the clinician to practically determine the proximity of the sampling electrode to an arrhythmogenic source,1 identify regions vulnerable to re-entry,2 ascertain lesion completion,3 determine myocardial health4 and lately, identify spatio-temporal organization in fibrillation treatment.5 Yet current electroanatomic mapping systems sample microvolt changes in the electrical field using electrodes aligned in plane with the myocardial surface, yielding two-dimensional measurements of a three-dimensional process.
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Silva et al. (2026) studied Arrhythmia. Multi-Dimensional Mapping Array vs. Current electroanatomic mapping systems was evaluated. Current electroanatomic mapping systems are limited to yielding two-dimensional measurements of three-dimensional myocardial electrical activation processes.
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