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Phantom limb pain induced in amputee by strong magnetic fields
Journal article   Peer reviewed

Phantom limb pain induced in amputee by strong magnetic fields

William T. C Yuh, David J Fisher, Richard K Shields, James C Ehrhardt and Frank G Shellock
Journal of magnetic resonance imaging, Vol.2(2), pp.221-223
03/1992
DOI: 10.1002/jmri.1880020216
PMID: 1562774

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Abstract

An amputee (traumatic) experienced increased phantom limb pain when exposed to the magnetic fields of two magnetic resonance imagers. With a visual analog scale used to measure pain, electric stimulation studies demonstrated that the residual limb was unusually sensitive to subthreshold (for muscle twitch) levels of current. The painful symptoms produced mimicked those experienced in the presence of the imagers.
Biological effects Neuroma, 42.369 Safety

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