I live in America.  I'm already aware of the mass I have in my pelvis and it is non life threatening, so I had an appointment. The appointment was next day too.  The imaging center is at the hospital but it isnt for the ER patients. That is separate and runs 24/7 where as this is like a wing of the hospital that closes at 5. The urgent care is also located in the wing. The receptionist said they had trouble getting the open MRI started up first thing this morning and put everyone behind. If someone comes into urgent care they can be sent to get a scan there as well instead of paying big bucks for an ER visit.  I hope that kind of explains it. Shit happens and I know nurses can only do scans so fast.