How would you obtain urgent imaging when an implanted device cannot be identified for MRI?

Instruction: Give an active plan that addresses both the neurological urgency and the unresolved MR safety conditions.

Context: A patient with an implanted spinal neurostimulator develops new leg weakness and urinary retention. The spine team requests urgent lumbar MRI for suspected cauda equina compression. The device model and lead configuration are unavailable; a referral note only says “MRI compatible.” The patient reports having had an MRI previously. CT is available locally, and the regional MR safety lead can be contacted.

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I would not clear this device for routine MRI on the basis of that note or a previous scan. I would tell the spine team that the neurological problem is urgent and that implant identification is being worked on immediately, rather than simply cancel the request...

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