When I was in end stage liver disease, living alone, and regularly in need of emergency care, my friends chipped in and got me a mobile monitor for times when my support person could not be there. It was a blessing. If you fall they call immediately and if you don’t answer, an emergency vehicle is sent. It’s not too expensive and it was definitely comforting. There are several out there. The one I had was called MobileHelp. I too hope you get your roommate, but just in case...