I wonder how they determine an MRI is wasteful. When I got hit by a car in Italy, a CAT scan was a standard part of the triage process. Then I went to the ort

I wonder how they determine an MRI is wasteful. When I got hit by a car in Italy, a CAT scan was a standard part of the triage process. Then I went to the ortho in the US and she was flabbergasted - apparently the bar is much higher to get one here.