Abstract
Monitoring of patients in magnetic resonance (MR) scanners is complicated by the effects of the static magnetic field, the radio frequency field, and time-dependent magnetic field gradients. Conventional electronic sensors malfunction under these conditions, and optical fibre-based sensors are increasingly being used because of their immunity to electromagnetic interference and intrinsic safety.1 Conventional pulse oximeters have been reported to malfunction when used in the vicinity of MR scanners.2
© 1994 IEEE
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