Frequency dependence of phase shift in Edema: A theoretical study with magnetic induction

César A. González, Boris Rubinsky

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

16 Scopus citations

Abstract

A spectroscopic distribution of induction phase shift as a function of relative volume of edema in the brain, lung and muscle was produced from available tissue data and a simple mathematical model of electromagnetic induction in tissue. The results show that the phase shift is sensitive to the relative volume of edema at frequencies higher than approximately 10 MHz. The behaviors of brain, lung and muscle tissues are substantially different from each other. Increasing the volume of tissue has the effect of lowering the frequency at which the phase shift becomes sensitive to the volume of edema. The results indicate that induction measurement of the phase shift has the potential for becoming a robust means for non-contact detection of edema in brain, lung and muscle tissues.

Original languageEnglish
Title of host publicationProceedings of the 2005 27th Annual International Conference of the Engineering in Medicine and Biology Society, IEEE-EMBS 2005
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3518-3521
Number of pages4
ISBN (Print)0780387406, 9780780387409
DOIs
StatePublished - 2005
Event2005 27th Annual International Conference of the Engineering in Medicine and Biology Society, IEEE-EMBS 2005 - Shanghai, China
Duration: 1 Sep 20054 Sep 2005

Publication series

NameAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume7 VOLS
ISSN (Print)0589-1019

Conference

Conference2005 27th Annual International Conference of the Engineering in Medicine and Biology Society, IEEE-EMBS 2005
Country/TerritoryChina
CityShanghai
Period1/09/054/09/05

Keywords

  • Induction
  • Magnetic
  • Phase
  • Shift
  • Spectroscopy

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