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Monitoring Myocardial Edema Tissue with Electrical Impedance Spectroscopy

Neshatvar, Nazanin; Regnacq, Louis; Jiang, Dai; Wu, Yu; Demosthenous, Andreas; (2020) Monitoring Myocardial Edema Tissue with Electrical Impedance Spectroscopy. In: 2020 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE: Seville, Spain. Green open access

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Abstract

A new approach for monitoring myocardium edema is introduced. It utilizes electrical impedance spectroscopy (EIS) to characterize edema tissue. The system has been tested on an isolated pig heart to distinguish the edema from non-edema tissue by a decrease of impedance for edema. The impedance reduction for left ventricular was 10 Ω at 100 kHz. The algorithm used for the demodulation in the developed EIS system is based on Goertzel filter which is utilized to replace the traditional coherent demodulation technique. Multisine excitation with 16 tones in the frequency range up to 1 MHz with more than 1000 samples was used for the measurements.

Type: Proceedings paper
Title: Monitoring Myocardial Edema Tissue with Electrical Impedance Spectroscopy
Event: 2020 IEEE International Symposium on Circuits and Systems (ISCAS)
Location: ELECTR NETWORK
Dates: 10 Oct 2020 - 21 Oct 2020
ISBN-13: 9781728133201
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/ISCAS45731.2020.9180610
Publisher version: https://doi.org/10.1109/ISCAS45731.2020.9180610
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Technology, Engineering, Electrical & Electronic, Engineering, Edema, electrical impedance spectroscopy (EIS), multisine excitation, myocardial, T2
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10162917
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