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Advances in EBI/DAS technology for cardiopulmonary system.

by Ling Chao Dong. / Publication date from spine. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1995. / Includes bibliographical references (leaves [102]-107). / ABSTRACT --- p.iii / ACKNOWLEDGEMENTS --- p.v / LIST OF ABBREVIATIONS --- p.vi / Chapter CHAPTER 1 --- Introduction / Chapter 1.1 --- Physiological measurement by EBI technique --- p.1 -1 / Chapter 1.2 --- Application of the EBI technique in the human thorax --- p.1 -2 / Chapter 1.3 --- Development in EIR measurement-An overview --- p.1 -4 / Chapter 1.4 --- Project objective --- p.1-7 / Chapter 1.5 --- Problems to be solved for EBI data acquisition system --- p.1-8 / Chapter 1.6 --- Main contribution of this project --- p.1 -8 / Chapter 1.7 --- Thesis outline --- p.1-9 / Chapter CHAPTER 2 --- Principles of The EBI Technique for Cardiopulmonary System / Chapter 2.1 --- The data acquisition system (DAS) --- p.2-1 / Chapter 2.1.1 --- Impedance measurement --- p.2-1 / Chapter 2.1.2 --- Data extraction and collection --- p.2-3 / Chapter 2.2 --- Constant current source --- p.2-3 / Chapter 2.3 --- Single-source multi-channel EBI controller --- p.2-5 / Chapter 2.4 --- Computer interface --- p.2-6 / Chapter 2.5 --- Tissue impedance and impedance change --- p.2-7 / Chapter 2.5.1 --- Impedance of living tissue --- p.2-7 / Chapter 2.5.2 --- Origins of impedance change --- p.2-8 / Chapter 2.6 --- Cardiovascular physiology in human body --- p.2-10 / Chapter 2.6.1 --- Structure and function of the circulatory system --- p.2-10 / Chapter 2.6.2 --- Principles of hemodynamics in pulmonary circulation --- p.2-12 / Chapter 2.7 --- Clinical application of the EIR waveform --- p.2-15 / Chapter 2.7.1 --- Physiological basis --- p.2-15 / Chapter 2.7.2 --- Clinical application --- p.2-16 / Chapter CHAPTER 3 --- The Composition of EIR Signal / Chapter 3.1 --- Introduction --- p.3-1 / Chapter 3.1.1 --- The impedance change in the transthoracic section --- p.3-1 / Chapter 3.1.2 --- Origins of impedance change in pulmonary circulation --- p.3-2 / Chapter 3.2 --- Examination of contribution of impedance sources via electrolytic tank model --- p.3-3 / Chapter 3.2.1 --- Electrolytic tank set-up --- p.3-3 / Chapter 3.2.2 --- Electrolytic tank procedure --- p.3-4 / Chapter 3.2.3 --- Experimental results and discussion --- p.3-5 / Chapter 3.3 --- The interference behaviour via computer simulation --- p.3-8 / Chapter 3.3.1 --- 2D numerical model --- p.3-9 / Chapter 3.3.2 --- Computer simulation --- p.3-10 / Chapter 3.3.3 --- Results and discussion --- p.3-11 / Chapter 3.4 --- The variation of EIR waveform with electrode size --- p.3-12 / Chapter 3.4.1 --- An electronic model --- p.3-12 / Chapter 3.4.2 --- A simulated source of impedance change in pulmonary circuit --- p.3-16 / Chapter 3.4.3 --- Variation of EIR waveform via computer simulation --- p.3-18 / Chapter 3.4.4 --- Computer simulation results and discussion --- p.3-20 / Chapter 3.5 --- Discussions --- p.3-20 / Chapter 3.6 --- Conclusion --- p.3-21 / Chapter CHAPTER 4 --- A Guard Electrode System to Improve the EIR Measurement / Chapter 4.1 --- Introduction --- p.4-1 / Chapter 4.2 --- Normal electrode system --- p.4-2 / Chapter 4.2.1 --- Normal electrode configuration --- p.4-2 / Chapter 4.2.2 --- Current-guarding technique for the constant-voltage system --- p.4-2 / Chapter 4.3 --- Electric field guarding --- p.4-3 / Chapter 4.4 --- Methods of study --- p.4-4 / Chapter 4.5 --- Results --- p.4-5 / Chapter 4.4.1 --- The change of electric field distribution with guarding --- p.4-5 / Chapter 4.4.2 --- Result from electrolytic tank simulation --- p.4-5 / Chapter 4.4.3 --- Variation of EIR waveform with/without guarding in human thorax --- p.4-6 / Chapter 4.5 --- Discussions and conclusion --- p.4-6 / Chapter CHAPTER 5 --- Human Measurements / Chapter 5.1 --- Introduction --- p.5-1 / Chapter 5.2 --- Variation of EIR waveform from normal human body --- p.5-2 / Chapter 5.2.1 --- Methods --- p.5_2 / Chapter 5.2.2 --- The variation of EIR waveform with electrode position and size --- p.5-3 / Chapter 5.3 --- Clinical observation --- p.5-4 / Chapter 5.3.1 --- What is PTMV --- p.5-4 / Chapter 5.3.2 --- Observing EIR waveform during the PTMV operation --- p.5-5 / Chapter 5.3.3 --- Results and discussion --- p.5-5 / Chapter 5.4 --- EIR for use in PTMV operation --- p.5-7 / Chapter 5.4.1 --- Conventional diagnostic and monitoring methods for PTMV --- p.5-7 / Chapter 5.4.2 --- The characteristic of EIR waveform with mitral stenosis --- p.5-7 / Chapter 5.4.3 --- Use of EIR as an assessing/monitoring tool for PTMV operation --- p.5-8 / Chapter 5.4.4 --- Methodology in this study --- p.5-8 / Chapter 5.4.5 --- Result and discussion --- p.5-9 / Chapter 5.5 --- Conclusion --- p.5-10 / Chapter CHAPTER 6 --- Recapitulation and Topic for Future Investigation / Chapter 6.1 --- Recapitulation --- p.6-1 / Chapter 6.2 --- Topics for future investigation --- p.6-3 / Chapter 6.2.1 --- Improvement to the DAS --- p.6-3 / Chapter 6.2.1 --- Data analysis for PTMV --- p.6-3 / REFERENCES --- p.R-1 / APPENDICES / Chapter A. --- Circuit diagram of electrical bio-impedance source simulator --- p.A-l / Chapter B. --- Circuit diagram of the electrical bio-impedance detector --- p.A-2 / Chapter C. --- Circuit diagram of multi-channel controller for multi-EBI detection --- p.A-3 / Chapter D. --- List of publications --- p.A-4

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_321512
Date January 1996
ContributorsLing, Chao Dong., Chinese University of Hong Kong Graduate School. Division of Electronic Engineering.
PublisherChinese University of Hong Kong
Source SetsThe Chinese University of Hong Kong
LanguageEnglish
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xi, [111] leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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