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A Non-Contact Electrode for Measurement of Electrocardiography

Tao, Quan/Q (2012) A Non-Contact Electrode for Measurement of Electrocardiography. Master's Thesis, University of Pittsburgh.

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Abstract

Heart disease has become a widespread epidemic threatening the health of millions of Americans and costing billions of dollars in therapy. In heart disease treatment, an effective heart monitoring technique is desired. In this thesis, a novel non-contact electrode was designed and fabricated to measure electrocardiography (ECG) based on widely used spherical volume conductor model. This model has been demonstrated to have a closed-form solution, which enables measurement of electric potential with capacitive electrode. Finite element analysis performed in Ansoft Maxwell software showed the feasibility of using an X-antenna to represent the ideal current dipole. The capacitive electrode we designed consists of two small sensing electrodes and a large reference electrode. This electrode measured promising signals for both direct and non-contact tests on spherical volume conductor model. Experiments were performed to find the best orientation and location for the electrode to measure the most significant signals on the surface of the sphere. Our electrode can also showed positive results in realizing both direct and non-contact measurement of the real ECG signals.


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Details

Item Type: University of Pittsburgh ETD
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Tao, Quan/Qtaq3@pitt.eduTAQ3
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairSun, Mingui/Mdrsun@pitt.eduDRSUN
Committee MemberLi, Guangyong/Ggul6@pitt.eduGUL6
Committee MemberMao, Zhihong/Zzhm4@pitt.eduZHM4
Committee MemberSclabassi, Robert/Rbobs@cdi.com
Date: 2 February 2012
Date Type: Publication
Defense Date: 18 November 2011
Approval Date: 2 February 2012
Submission Date: 23 November 2011
Release Date: 2 February 2012
Access Restriction: 5 year -- Restrict access to University of Pittsburgh for a period of 5 years.
Number of Pages: 55
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Electrical Engineering
Degree: MS - Master of Science
Thesis Type: Master's Thesis
Refereed: Yes
Uncontrolled Keywords: Non-contact measurement, capacitive electrode, electrocardiography, spherical volume conductor model
Date Deposited: 02 Feb 2012 14:01
Last Modified: 15 Nov 2016 13:55
URI: http://d-scholarship.pitt.edu/id/eprint/10540

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