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A member asked:
What is the cause behind loud noises in mri?
A doctor has provided 1 answer
MRI noise: Inside the scanner are coils of metal wire called gradient coils. When electricity is passed through such a coil, a magnetic field is created. The banging is the vibration of metal coils in the machine caused by rapid pulses of electricity and changing magnetic gradients.
Answered 8/13/2018
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