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Interaction of MRI field gradients with the human body

Glover, Paul

Authors

Paul Glover paul.glover@nottingham.ac.uk



Abstract

In this review, the effects of low-frequency electromagnetic fields encountered specifically during magnetic resonance imaging (MRI) are examined. The
primary biological effect at frequencies of between 100 and 5000 Hz (typical of MRI magnetic field gradient switching) is peripheral nerve stimulation, the result of which can be a mild tingling and muscle twitching to a sensation of
pain. The models for nerve stimulation and how they are related to the rate of change of magnetic field are examined. The experimental measurements, and analytic and computational modelling work in this area are reviewed. The
review concludes with a discussion of current regulation in this area and current practice as both are applied to MRI.

Journal Article Type Article
Publication Date Jan 1, 2009
Journal Physics in Medicine and Biology
Print ISSN 0031-9155
Electronic ISSN 0031-9155
Publisher IOP Publishing
Peer Reviewed Not Peer Reviewed
Volume 54
Issue 21
Article Number R99-R115
APA6 Citation Glover, P. (2009). Interaction of MRI field gradients with the human body. Physics in Medicine and Biology, 54(21), doi:10.1088/0031-9155/54/21/R01
DOI https://doi.org/10.1088/0031-9155/54/21/R01
Publisher URL http://iopscience.iop.org/0031-9155/54/21/R01/
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information Copyright Institute of Physics 2009.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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