Abstract #3304
Calculation of Electromagnetic Field Distribution to Detect Liver Abnormalities using MR-based Electrical Impedance Tomography
Ji Eun Kim 1 , Saurav ZK Sajib 1 , Woo Chul Jeong 1 , Hyung Joong Kim 1 , Oh In Kwon 2 , and Eung Je Woo 1
1
Kyung Hee University, Yongin, Gyeonggi,
Korea,
2
Konkuk
University, Seoul, Korea
Electromagnetic field distribution of biological system
can be imaged from magnetic flux density which was
induced by externally injected current through the
electrodes. Electromagnetic field is affected by
injected current and electrical conductivity of tissues,
electrode type and position are important factors for
determining voltage and current density. Signal
intensity of current density is proportional to magnetic
flux density which can be measured by MREIT. MREIT has
potential to provide high-resolution electromagnetic
field distribution inside the liver. Using a
three-dimensional FEM model, we estimate current pathway
and electrical field distribution to detect liver
abnormalities at three different current injection
methods.
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