I already sent prayers via your e-mail reply, but got enough to send more!
I don't know what to say about what your mom could be having trouble with, but would imagine the iv's would be keeping her hydrated, at least, but could also be keeping her sugar levels stable if she hasn't been eating much lately.
I do hope you get some answers on your visit and the mask, goggles and surgery scrubs help prevent you from getting the same thing!