Boy, if life isn't a rollercoaster....
Keep us posted Laurie. I know this is all scary, but take a deep breath. Ask as many questions of the docs as you can and be a good advocate for your mom. I pray that God's hand of wisdom be upon her doc and those taking care of her and that whatever the problem is, it can be resolved quickly.
Remember, God gives us grace and strength when we need it, sometimes moment by moment. (big hugs)
Blessings,
Tami