Anaesthesia in the MRI unit

Magnetic resonance imaging (MRI) is a widely available imaging modality providing high-resolution images of soft tissues. The magnetic fields generated by these scanners create an array of safety challenges which require specialist equipment and trained staff to safely operate within this environment.

Guidance exists for the anaesthetist working in the MR suite, though for many individuals it remains a less familiar environment and remote site for practising safe anaesthesia.

We outline the specific concerns with commonly encountered implanted devices and some of the practicalities related to caring for patients with these devices in the MRI suite.

Within neuroanaesthesia, advances in procedural techniques and technology in MRI lead to an increased number of patients requiring scanning for diagnosis and treatment progress.

This includes patients on the critical care unit and intraoperatively in the interventional MRI suites.

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