Welcome to the SR family, so glad to have you here, thanks for sharing.
I have been through this with my mom (in the ICU twice in the last 18 months), every person is different, and probably each detox is different.
Your mom is going through a very rough time, she is just going to have to ride it out, I wish I could give you concrete answers but I cannot, if you are up to it, then just be there for her.
After 40+ years of my moms drinking I could not do it, my sister flew to Florida to be there with her the first time, since my mom went right back to drinking between 3-6 bottles of wine a day after the first incident, she decided not to fly back down for round two.
Please remember to take care of YOU, get enough rest, eat right, and pray or meditate if that's your thing.
Come back often, let us know how you are doing, you are among friends here.
Best of luck,
Bill