MR also causes issues outside the facility if you scan with the door open. I worked somewhere that had a lot of MR scanner in the area and the coast guard sent

MR also causes issues outside the facility if you scan with the door open. I worked somewhere that had a lot of MR scanner in the area and the coast guard sent a letter as someone was routinely leaving the door open and messing with the airwaves. MRs have powerful transmitter - which is why you heat up during imaging.