Well, I'm awake and checking on Livi first thing.
Wow, your episode last night would have had me freaking too! Sounds pretty scary, though I wonder if I would have attributed the shaking to being in labor. Was she having any sort of contractions during that time? In any case you did good in getting her warmed up giving her nutri-cal,and calling the vet(s). I say

to the e-vets..........what's the point of them if you can't even take her in?

Geez! For all our sakes...................but of course, mostly for you and Livi, I sure hope she has them today.