Key result
Review highlights the strengths and weaknesses of epicardial and dipole models for noninvasive inverse electrocardiography.
Why the study?
Methods to solve the inverse problem of electrocardiography depend on the chosen cardiac source model, prompting a comparison of the theoretical basis and applicability of commonly used models.
This review outlines the theoretical foundations and comparative applicability of the epicardial potential and equivalent dipole layer models for noninvasive inverse electrocardiography.
Informs inverse ECG model selection in research; leaves open clinical validation and adoption.
The body surface electrocardiogram (ECG) is a direct result of electrical activity generated by the myocardium. Using the body surface ECGs to reconstruct cardiac electrical activity is called the inverse problem of electrocardiography. The method to solve the inverse problem depends on the chosen cardiac source model to describe cardiac electrical activity. In this paper, we describe the theoretical basis of two inverse methods based on the most commonly used cardiac source models: the epicardial potential model and the equivalent dipole layer model. We discuss similarities and differences in applicability, strengths and weaknesses and sketch a road towards improved inverse solutions by targeted use, sequential application or a combination of the two methods.
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Waal et al. (2023) conducted a review in Inverse problem of electrocardiography. Epicardial potential model and equivalent dipole layer model was evaluated. A review of the epicardial potential and equivalent dipole layer models for noninvasive inverse electrocardiography highlights their theoretical basis, applicability, strengths, and weaknesses.