Document Detail

Magnetic resonance imaging of time-varying magnetic fields from therapeutic devices.
MedLine Citation:
PMID:  23355446     Owner:  NLM     Status:  Publisher    
While magnetic resonance imaging of static magnetic fields generated by external probes has been previously demonstrated, there is an unmet need to image time-varying magnetic fields such as those generated by transcranial magnetic stimulators and radiofrequency hyperthermia probes. A method to image such time-varying magnetic fields is introduced in this study. This article presents the theory behind the method and provides proof of concept by imaging time-varying magnetic fields generated by a figure-eight coil inside simple phantoms over a range of frequencies and intensities using a 7T small animal MRI scanner. The method was able to reconstruct the three-dimensional components of the oscillating magnetic field vector. Copyright © 2013 John Wiley & Sons, Ltd.
Luis Hernandez-Garcia; Vivek Bhatia; Krishan Prem-Kumar; Magnus Ulfarsson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-28
Journal Detail:
Title:  NMR in biomedicine     Volume:  -     ISSN:  1099-1492     ISO Abbreviation:  NMR Biomed     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8915233     Medline TA:  NMR Biomed     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 John Wiley & Sons, Ltd.
FMRI Laboratory, 2360 Bonisteel Blvd., Ann Arbor, MI, 48109-2108, USA.
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