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Design of electrode systems for measuring cardiac micro-impedances using optical sensors

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2 Author(s)
Barr, R.C. ; Dept. of Biomed. Eng., Duke Univ., Durham, NC, USA ; Plonsey, R.

The cardiac electrical substrate is a challenge to direct measurement of its properties. Optical technology together with the capability to fabricate small electrodes at close spacing opens new possibilities. Here those possibilities are explored from a theoretical viewpoint. It appears that with careful measurements from a well designed set of electrodes one can obtain micro-impedances, that is, the impedances of individual components of the tissue measured at a microscopic scale.

Published in:

Engineering in Medicine and Biology Society, 2003. Proceedings of the 25th Annual International Conference of the IEEE  (Volume:4 )

Date of Conference:

17-21 Sept. 2003