my grandma over 65 experiences severe aggression, paranoia, assumes every one is out to get her, is always saying negative comments and acts out in violence a lot, misplaces items and says they have been stolen will later find them and is convinced the thiefs put it back how should i go about this issue, she attempted to hit me last night so i locked myself in my room and called the crisis hotline they told me to call for an ambulance but i didnt because she is my grandma what should i do about this.