26 April 2018 Automated analysis of plethysmograms for functional studies of hemodynamics
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Abstract
The most promising method for the quantitative determination of cardiovascular tone indicators and of cerebral hemodynamics indicators is the method of impedance plethysmography. The accurate determination of these indicators requires the correct identification of the characteristic points in the thoracic impedance plethysmogram and the cranial impedance plethysmogram respectively. An algorithm for automatic analysis of these plethysmogram is presented. The algorithm is based on the hard temporal relationships between the phases of the cardiac cycle and the characteristic points of the plethysmogram. The proposed algorithm does not require estimation of initial data and selection of processing parameters. Use of the method on healthy subjects showed a very low detection error of characteristic points.
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R. Sh. Zatrudina, I. B. Isupov, V. Yu. Gribkov, "Automated analysis of plethysmograms for functional studies of hemodynamics", Proc. SPIE 10717, Saratov Fall Meeting 2017: Laser Physics and Photonics XVIII; and Computational Biophysics and Analysis of Biomedical Data IV, 1071727 (26 April 2018); doi: 10.1117/12.2317482; https://doi.org/10.1117/12.2317482
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