@article{79dcd389bb1e44cbb7fb7455fc349729,
title = "In-vivo measurement of swine myocardial resistivity",
abstract = "We used a four-terminal plunge probe to measure myocardial resistivity in two directions at three sites from the epicardial surface of eight open-chest pigs in-vivo at eight frequencies ranging from 1Hz to 1 MHz. We calibrated the plunge probe to minimize the error due to stray capacitance between the measured subject and ground. We calibrated the probe in saline solutions contained in a metal cup situated near the heart that had an electrical connection to the pig's heart. The mean of the measured myocardial resistivity was 319 Ω cm at 1 Hz down to 166 Ωcm at 1 MHz. Statistical analysis showed the measured myocardial resistivity of two out of eight pigs was significantly different from that of other pigs. The myocardial resistivity measured with the resistivity probe oriented along and across the epicardial fiber direction was significantly different at only one out of the eight frequencies. There was no significant difference in the myocardial resistivity measured at different sites.",
keywords = "Calibration, Four-terminal, Heart, In-vivo, Leakage current, Myocardium, Pig, Plunge probe, Probe constant, Resistivity, Stray capacitance",
author = "Tsai, {Jang Zern} and Will, {James A.} and Stelle, {Scott Hubbard Van} and Hong Cao and Supan Tungjitkusolmun and Choy, {Young Bin} and Dieter Haemmerich and Vorperian, {Vicken R.} and Webster, {John G.}",
note = "Funding Information: Manuscript received June 9, 2001; revised January 10, 2001. The work was supported by the National Institutes of Health (NIH) under Grant HL56143. Asterisk indicates corresponding author. J.-Z. Tsai, H. Cao, and Y. B. Choy are with the Department of Electrical and Computer Engineering, University of Wisconsin, Madison, WI 53706 USA. J. A. Will is with the Department of Animal Health and Biomedical Sciences, University of Wisconsin, Madison, WI 53706 USA. S. Hubbard-Van Stelle is with the Research Animal Resources Center, University of Wisconsin, Madison, WI 53705 USA. S. Tungjitkusolmun is with the Department of Electronics Engineering, Faculty of Engineering, and the Research Center for Communications and Information Technology, King Mongkut{\textquoteright}s Institute of Technology Ladkrabang, Lad-krabang, Bangkok 10520, Thailand. D. Haemmerich is with the Department of Biomedical Engineering, University of Wisconsin, Madison, WI 53706 USA. V. R. Vorperian is with the University of Wisconsin Hospital and Clinics, Madison, WI 53792 USA. *J. G. Webster is with the Department of Biomedical Engineering, University of Wisconsin, 1410 Engineering Drive, Madison, WI 53706 USA (e-mail:
[email protected]). Publisher Item Identifier S 0018-9294(02)03994-0.",
year = "2002",
doi = "10.1109/10.995686",
language = "???core.languages.en_GB???",
volume = "49",
pages = "472--483",
journal = "IEEE Transactions on Biomedical Engineering",
issn = "0018-9294",
number = "5",
}