OMG my moms on the way to the hospital she hit her head?

Im a 13 year old girl and im sittin here and all the sudden my mom and her friend pull in the drive way and my mom hit her head and she only remembers before we moved shes on her way to the hospital and im theres no words for what i am right now we moved 3 months ago and after she hit her she still thinks we live back where we did is there a docter or something that can quess whats going cause im scared right now its snowing hard what if they crash my mom cant remember stuff im scared