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/dtmax.
| 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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Cite this
Reddy, S. P., Shyu, L. Y., Nagel, J. H., & 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 ed., Vol. 10, pp. 43-44). Publ by IEEE.