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Viewing report
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Induced Current Electrical Impedance Tomography. Edition No. 1
VDM Publishing House, April 2009, Pages: 216
In Electrical Impedance Tomography (EIT), the
electrical properties of the various tissue types
form the basis for monitoring or imaging
physiological and pathological processes. The
technique requires the applying of small magnitude
electrical current into the object under
investigation, measurement of the developing
potentials on the surface, and solving the
mathematically ill-posed, non-linear inverse
problem, relating the measurements to the electrical
properties of interest. This book describes the
induced-current EIT (ICEIT) approach, in which
current is applied into the object by magnetic
induction using excitation coils rather than by
direct injection via surface electrodes as in
conventional EIT. The physical and mathematical
models of ICEIT are established and numerical
approaches to solve the forward and inverse problems
are detailed. The technique's applicability to
several medical applications, including thoracic
imaging, monitoring cryosurgery procedure in the
brain and monitoring lung fluid volume, is discussed.
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