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Analysis of Impedance Measurements Obtained During Short-Arm Human Centrifuge Experiment
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Segmental impedance measurements were performed on nineteen human subjects in a short-arm centrifuge to detect fluid shift. The subjects underwent four levels of horizontal acceleration. It was hypothesized that the greater the horizontal acceleration, the greater the fluid shift detected by segmental impedance. However, it was determined that discussing impedance measurements in terms of electrolyte flow at electrode locations on the body is more accurate than adopting existing models, which does not directly confirm the hypothesis. A methodological analysis was done on the segmental impedance technique and suggestions are offered on how to improve the reliability of data from this technique. From the data of this experiment it was found that the intermediary runs of centrifugation had no lasting effect on the difference of mean impedances between two runs at 1 g, but may have affected the rate of change of impedance during centrifugation at this level.

Place, publisher, year, edition, pages
Keyword [en]
Technology, segmental bioelectrical impedance
Keyword [sv]
URN: urn:nbn:se:ltu:diva-56601Local ID: d5b3939f-ae07-4ddc-bd75-4300e53c308fOAI: diva2:1029988
Subject / course
Student thesis, at least 30 credits
Educational program
Space Engineering, master's level
Validerat; 20121026 (anonymous)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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Tramposch, Jonica

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