Which is almost all the time. Now it's gotten to a point where I could be talking to her about something funny or trivial and her head will start bobbling. It's a little disturbing and i'm getting worried. I know not all tremors are dangerous, and the stress of moving has probably exacerbated the tremor, but I feel like it needs to be checked out. I don't even know how she would fit into a MRI because of her weight.
There are open MRI machines which are larger than the closed ones.