Interaction of MRI field gradients with the human body

Glover, Paul (2009) Interaction of MRI field gradients with the human body. Physics in Medicine and Biology, 54 (21). R99-R115. ISSN 0031-9155

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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.

Item Type: Article
Additional Information: Copyright Institute of Physics 2009.
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number:
Depositing User: Glover, Dr Paul
Date Deposited: 27 Mar 2013 12:28
Last Modified: 04 May 2020 20:26

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