𝔖 Bobbio Scriptorium
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Magnetic resonance imaging of patients wearing a surgical traction halo

✍ Scribed by Jianmin Hua; Richard A. Fox

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
573 KB
Volume
6
Category
Article
ISSN
1053-1807

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✦ Synopsis

Abstract

Magnetic resonance images of patients wearing a surgical halo may have unacceptable artifacts if the halo has a conductive loop structure. This study shows that the observed artifacts are predominantly due to eddy currents generated in the halo by switching field gradients, and that these artifacts can be substantially reduced by adjusting the phase encoding direction in MRI sequences so that it is parallel to the axis of the halo.

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