A 94-year-old woman is admitted to your hospital with dehydration, trouble breathing, and possible kidney failure. She is clearly in advanced Alzheimer's, weighs about 95 pounds, and shows multiple bruises on her body. She cannot talk. Her caregiver attributes the bruises to a blood disorder that reduces clotting. What are your thoughts about this situation? What kind of investigation would you conduct? What actions would you take to be in compliance with ethical principles? Please answer and add reference.