I'm back. The MRI only took about 20 minutes and wasn't bad at all. Of course, I did keep my eyes closed the whole time. They gave me noise-canceling headphones to wear and also piped in music from Grey's Anatomy Season 1 (my choice).
It actually sounded like I was in a building that was being taken down by sledgehammers. If it weren't for the noise, it would have been a great opportunity to take a nap.
My doctor should get the results in two days