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Published in:
2018 | OriginalPaper | Chapter
Reconstruction of Equivalent Electrical Sources on Heart Surface
Authors : Galina V. Zhikhareva, Mikhail N. Kramm, Oleg N. Bodin, Ralf Seepold, Anton I. Chernikov, Yana A. Kupriyanova, Natalija A. Zhuravleva
Published in: Bioinformatics and Biomedical Engineering
Publisher: Springer International Publishing
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Abstract
We consider the problem of increasing the informative value of electrocardiographic (ECG) surveys using data from multichannel electrocardiographic leads, that include both recorded electrocardiosignals and the coordinates of the electrodes placed on the surface of the human torso. In this area, we were interested in reconstruction of the surface distribution of the equivalent sources during the cardiac cycle at relatively low hardware cost. In our work, we propose to reconstruct the equivalent electrical sources by numerical methods, based on integral connection between the density of electrical sources and potential in a conductive medium. We consider maps of distributions of equivalent electric sources on the heart surface (HSSM), presenting source distributions in the form of a simple or double electrical layer. We indicate the dynamics of the heart electrical activity by the space-time mapping of equivalent electrical sources in HSSM.