Computer program for analysis of impedance cardiography signals enabling manual correction of points detected automatically

Justyna Oleksiak; Gerard Cybulski

doi:10.1117/12.2074704

25 November 2014 Computer program for analysis of impedance cardiography signals enabling manual correction of points detected automatically

Justyna Oleksiak, Gerard Cybulski

Author Affiliations +

Proceedings Volume 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014; 92901N (2014) https://doi.org/10.1117/12.2074704
Event: Symposium on Photonics Applications in Astronomy, Communications, Industry and High-Energy Physics Experiments, 2014, Warsaw, Poland

Abstract

The aim of this work was to create a computer program, written in LabVIEW, which enables the visualization and analysis of hemodynamic parameters. It allows the user to import data collected using ReoMonitor, an ambulatory monitoring impedance cardiography (AICG) device. The data include one channel of the ECG and one channel of the first derivative of the impedance signal (dz/dt) sampled at 200Hz and the base impedance signal (Z0) sampled every 8s. The program consist of two parts: a bioscope allowing the presentation of traces (ECG, AICG, Z0) and an analytical portion enabling the detection of characteristic points on the signals and automatic calculation of hemodynamic parameters. The detection of characteristic points in both signals is done automatically, with the option to make manual corrections, which may be necessary to avoid “false positive” recognitions. This application is used to determine the values of basic hemodynamic variables: pre-ejection period (PEP), left ventricular ejection time (LVET), stroke volume (SV), cardiac output (CO), and heart rate (HR). It leaves room for further development of additional features, for both the analysis panel and the data acquisition function.

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Justyna Oleksiak and Gerard Cybulski "Computer program for analysis of impedance cardiography signals enabling manual correction of points detected automatically", Proc. SPIE 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014, 92901N (25 November 2014); https://doi.org/10.1117/12.2074704

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KEYWORDS

Hemodynamics

Electrocardiography

Signal detection

Calibration

Tissues

Software

Electrodes

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