Go there tired and avoid meds before an MRI with contrast. Hopefully, you can get a little bit of rest. Listen to the directions from the tech.
Today I was on the table for close to two hours, and was extremely uncomfortable, but it was also extremely important not to move during the MRI, Breathe, yes. My neck, cervical, back thoracic, low back lumbar, all had MRI with contrast. The pictures are much better with contrast, So yes, stick to it.
There is a lot of resistance to doing the procedure with contrast. My opinion is it costs more money, but is worth it. -- LFW III