Ok here's what she can do. Option one, She can contact her GP. There MUST be a way she can do that, by phone, email or so on. If she doesn't do tech then could you help her? If she has fractured her pelvis then pain relief and assisted living would be the right treatment but she needs domestic home care.
option two, she can (or someone can on her behalf but they will have to be with her so she can agree that they can speak for her) contact social services and say that she is a vulnerable person at risk.
Three is that she can contact a private healthcare provider eg but not limited to Bupa and ask about a specialist appointment. She can't just get x rays, and it wouldn't help if she could, she needs a specialist consultant.
My best suggestion would be to go the GP route. If she (or her representative) can't get access to a GP, and it might be a phonecall or video call as a starting point, then IMMEDIATELY ask how to make a complaint.