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Projects / Programmes source: ARIS

Magnetic localization of current source in heart and sensor cryocooler

Research activity

Code Science Field Subfield
2.21.00  Engineering sciences and technologies  Technology driven physics   

Code Science Field
T200  Technological sciences  Thermal engineering, applied thermodynamics 
B130  Biomedical sciences  Physiological biophysics 
Keywords
Magnetocardiography - MCG, Electrocardiography - ECG, inverse problem, current source, equivalent current source, volume conductor, modelling, localization of current source, WPW, Stirling cryocooler, Pulse tube cryocooler, electron gas cooler.
Evaluation (rules)
source: COBISS
Researchers (3)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  08274  PhD Vojko Jazbinšek  Physics  Researcher  1998 - 1999  200 
2.  02558  PhD Janez Pirnat  Physics  Researcher  1998 - 1999  226 
3.  00208  PhD Zvonko Trontelj  Physics  Head  1998 - 1999  595 
Organisations (1)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0101  Institute of Mathematics, Physics and Mechanics  Ljubljana  5055598000  20,227 
Abstract
In this project the eqivalent current dipole model in heart together with different models of torso as volume conductor are used in solving the inverse problem in magnetocardiography with special emphasis on the determination of space coordinates of the beginning of accessory pathway in the case of WPW patients. Several patients who underewent the MCG measurement protocols in Berlin were analysed in Ljubljana.The evaluation method of localization of equivalent current dipole in heart is prepared. The parallel running research on Stirling cryocoolers should lead to the improved version of this cryocooler and/or to similar cryocooler (pulse tube cryocooler). These cryocoolers should be able in the near future to cool SQUID sensors build of high tempearture superconductors and used for the measuring devices necessary to complete the measurements mentioned in the first part of project.
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