Please use this identifier to cite or link to this item: https://ir.swu.ac.th/jspui/handle/123456789/15124
ชื่อเรื่อง: Analytical and numerical studies of volume measurement using conductance catheter techniques
ผู้แต่ง: Thaijiam C.
Gale T.J.
Keywords: Blood
Electric fields
Electric impedance
Electrodes
Problem solving
Blood volume
Electrode configurations
Excitation electrodes
Catheters
วันที่เผยแพร่: 2005
บทคัดย่อ: Calculation of intra-ventricular blood volume using the impedance electrode technique suffers from inaccuracy arising from irregularity in ventricular geometry and non-uniformity in imposed electric fields. This is particularly evident in the right ventricle. To investigate this problem, we present analytical and numerical solutions for the electric field in a conductor with asymmetrical source electrodes. The results show the effects of field non-uniformity, and a potential improvement in using dual-excitation electrodes. We plan to extend these techniques to develop improved electrode configurations for use in blood volume measurements in the right ventricle. © 2005 IEEE.
URI: https://ir.swu.ac.th/jspui/handle/123456789/15124
https://www.scopus.com/inward/record.uri?eid=2-s2.0-33846915198&doi=10.1109%2fiembs.2005.1616922&partnerID=40&md5=bb2995c2c8da09b5a45d0decb28988c6
ISSN: 5891019
Appears in Collections:Scopus 1983-2021

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