Improved reliability of impedance cardiography by new signal processing techniques

S. P. Reddy; L. Y. Shyu; J. H. Nagel; Neil Schneiderman

Improved reliability of impedance cardiography by new signal processing techniques

S. P. Reddy, L. Y. Shyu, J. H. Nagel, Neil Schneiderman

Psychology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

6 Scopus citations

Abstract

The authors used the impedance cardiogram (ICG), the phonocardiogram (PCG), and the electrocardiogram (ECG) to determine stroke volume and systolic time intervals. Comparisons between a fully automated PC/AT-based signal processing system and a computer-assisted visual detection processing system revealed comparable means, standard errors, correlations (Spearman r), and reliability (Chronbach's α) coefficients on all relevant parameters. Other analyses confirmed the utility of using Q onset to mark the beginning of ventricular systole, the B point of the ICG to denote the aortic opening, and end diastole as the reference for determining the amplitude of dZ/dt_max.

Original language	English
Title of host publication	IEEE/Engineering in Medicine and Biology Society Annual Conference
Place of Publication	Piscataway, NJ, United States
Publisher	Publ by IEEE
Pages	43-44
Number of pages	2
Volume	10
Edition	pt 1
State	Published - Nov 1 1988
Event	Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society - New Orleans, LA, USA Duration: Nov 4 1988 → Nov 7 1988

Other

Other	Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society
City	New Orleans, LA, USA
Period	11/4/88 → 11/7/88

ASJC Scopus subject areas

Engineering(all)

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Improved reliability of impedance cardiography by new signal processing techniques. / Reddy, S. P.; Shyu, L. Y.; Nagel, J. H.; Schneiderman, Neil.

IEEE/Engineering in Medicine and Biology Society Annual Conference. Vol. 10 pt 1. ed. Piscataway, NJ, United States : Publ by IEEE, 1988. p. 43-44.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Reddy, SP, Shyu, LY, Nagel, JH & Schneiderman, N 1988, Improved reliability of impedance cardiography by new signal processing techniques. in IEEE/Engineering in Medicine and Biology Society Annual Conference. pt 1 edn, vol. 10, Publ by IEEE, Piscataway, NJ, United States, pp. 43-44, Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, New Orleans, LA, USA, 11/4/88.

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AB - The authors used the impedance cardiogram (ICG), the phonocardiogram (PCG), and the electrocardiogram (ECG) to determine stroke volume and systolic time intervals. Comparisons between a fully automated PC/AT-based signal processing system and a computer-assisted visual detection processing system revealed comparable means, standard errors, correlations (Spearman r), and reliability (Chronbach's α) coefficients on all relevant parameters. Other analyses confirmed the utility of using Q onset to mark the beginning of ventricular systole, the B point of the ICG to denote the aortic opening, and end diastole as the reference for determining the amplitude of dZ/dtmax.

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