Automatic recording of biological impedances

An automatic recording system for measurements of biological impedances at different frequencies is described. The system comprises a signal synthesiser and a network analyser controlled by a desk calculator. The impedance and phase angle are recorded at one hundred and sixty logarithmically-spaced...

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Bibliographische Detailangaben
Veröffentlicht in:	Journal of medical engineering & technology 1978-01, Vol.2 (2), p.70-73
1. Verfasser:	Tedner, B. T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biomedical Engineering Electronics, Medical - instrumentation Humans Monitoring, Physiologic - instrumentation Water-Electrolyte Balance
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	An automatic recording system for measurements of biological impedances at different frequencies is described. The system comprises a signal synthesiser and a network analyser controlled by a desk calculator. The impedance and phase angle are recorded at one hundred and sixty logarithmically-spaced frequencies between 100 Hz and 1 MHz. A pilot study was conducted to explore the usefulness of the system for investigating fluid balance problems.
ISSN:	0309-1902 1464-522X
DOI:	10.3109/03091907809161760