Title :
System for non-invasive epicardial potential mapping and impedance tomography
Author :
Shim, U. ; Cahn, Sidney B. ; Sleator, T.
Author_Institution :
Dept. of Electron. Eng., Politech. Univ., Bucharest
fDate :
30 Oct-2 Nov 1997
Abstract :
This study presents work carried out to design and test a system able to reconstruct non-invasively heart-surface potential maps. The system measures thorax surface potentials and computes epicardial potentials based on the bilinear relationship between the two potential fields. The reciprocal transfer relationship results as a consequence of the Helmholtz theorem. As an ancillary tool, the electrical impedance tomography can provide the resistivity map of the thorax
Keywords :
electric impedance imaging; electrocardiography; Helmholtz theorem; bilinear relationship; electrodiagnostics; epicardial potentials computation; heart-surface potential maps; impedance tomography; noninvasive epicardial potential mapping; reciprocal transfer relationship; thorax resistivity map; thorax surface potentials; Displays; Electrocardiography; Electrodes; Heart; Inverse problems; Myocardium; Surface impedance; Surface reconstruction; Thorax; Tomography;
Conference_Titel :
Engineering in Medicine and Biology Society, 1997. Proceedings of the 19th Annual International Conference of the IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-4262-3
DOI :
10.1109/IEMBS.1997.754542
