Influence of ionic shifts during dialysis on volume estimations with multifrequency impedance analysis

During dialysis the ion concentrations in many body fluids change significantly. The influence of these changes on the accuracy of volume measurements with bioimpedance spectroscopy is investigated by the following procedure: Plasma ion concentrations and impedance spectra (5-500 kHz) are measured d...

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Bibliographic Details
Published in:	Medical & biological engineering & computing Vol. 35; no. 2; pp. 96 - 102
Main Authors:	SCHARFETTER, H, WIMSBERGER, G. H, HOLZER, H, HUTTEN, H
Format:	Journal Article
Language:	English
Published:	Heidelberg Springer 01-03-1997 Springer Nature B.V
Subjects:	Biological and medical sciences Biothermics. Biomagnetism. Bioelectricity Body Fluids Electric Impedance Female Fundamental and applied biological sciences. Psychology Hemodialysis Humans Male Models, Biological Osmolar Concentration Renal Dialysis Spectrum Analysis Tissues, organs and organisms biophysics Plasma Body fluid Fluid dynamics Electrical properties Hemodialysis Ion composition Concentration measurement Compartmental model Accuracy Spectrometry Volume measurement Equivalent circuit Electric resistivity Multifrequency observation Error correction
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