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Published in:
2006 | OriginalPaper | Chapter
Characterization of Cardiac Dynamics from Locally Topological Considerations
Author : Victor F. Dailyudenko
Published in: Computational Science – ICCS 2006
Publisher: Springer Berlin Heidelberg
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Evolution of cardiac activity is investigated by means of methods of nonlinear dynamics, namely the method of temporal localization on the attractor reconstructed from electrocardiogram (ECG) signal is proposed for this purpose. Convergence for the function of topological instability at changing dimensionality is proved both theoretically and numerically, independently on personal features of subjects in the latter case, that provides the opportunity to estimate the complexity of cardiac dynamics. In contrast, that instability function normalized by its average displays different kind of behaviour that somewhat differs for various persons and reflects their individual features.