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The aim of Electrocardiographic (ECG) inverse problem is to use the measured ECG signals on the body surface to noninvasively reconstruct the activity of heart. Due to the ill-posedness, the solution of ECG inverse problem needs employ as much prior information about the cardiac activities as possible. In this study, the spatial sparse performance of the transmembrane potential (TMP) was investigated...
The cardiac equivalent source model is very crucial in the electrocardiogram (ECG) and magnetocardiography (MCG) problems. In this study, we presented a thoroughly investigation of the three models: the dipole, equivalent double layer (EDL) and epicardial potential (EP) models in terms of the ECG/MCG forward problem within a unified framework. The cardiac electromagnetic field is calculated using...
Asynchronous electrical activation, induced by bundle branch block (BBB), can cause reduced ventricular function. However, effects of BBB on the mechanical function of heart are difficult to assess experimentally. Based on an electromechanical canine heart model developed recently, the mechanical properties of complete LBBB and RBBB were simulated. The geometries and myofibre orientations of ventricles...
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