Abstract
The paper is devoted to development of a method and algorithm for assessing regional ventilation and perfusion based on the analysis of the tomographic cross section obtained by the EIT method. The method consists of chest cavity change in the conductivity field reconstruction results spectral analysis. Based on the spectral analysis of the results of monitoring the ventilation and perfusion component of the field of change in the conductance of the chest cavity, it allows to evaluate the distribution of the respiratory volume and perfusion. An algorithm for assessing the thoracic cavity VPR based on the results of EIT has been developed. The algorithm consists in monitoring the ventilation and perfusion component of the chest cavity conductance change field, followed by spectral or regression analysis of the monitoring results to assess regional ventilation and perfusion, followed by the evaluation of the VPR based on the results monitoring of the ventilation and perfusion component of the field of changes in the conductivity of the chest cavity, to assess regional ventilation and perfusion, followed by an assessment of the VPR. The results of the work were used in the development of software for the EIT device.
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