I'm so sorry. If I were in the area I would come and take her to the doctor's.
Do you have a neighbor who can take her to see her doctor? I understand not wanting to go to ER, but a call into her regular doctor should get her some care and maybe an appointment for a scan.
Brain injuries are nothing to ignore.
1975 American Clipper RV with Dodge 360 (photo in profile)
1998 American Clipper Fold n Roll Folding Trailer
Both born in Morgan Hill, CA to Irv Perch (Daddy of the Aristocrat trailers)