medical and health care
The requirement to provide effective communication includes the obligation to provide effective communication to companions who are Deaf. So the hospital is required to find a way to communicate with someone who has a communication disability “as effectively” as they would communicate with that person if he/she did not have the disability.
Title II and III ADA regulations specifically state that you cannot be required to bring a family member or another individual with you to interpret. Instead the doctor is required to provide auxiliary aids or services in order to ensure effective communication. This could mean hiring a qualified sign language interpreter or it might be another method, such as video remote translating—as long as the communication is equally effective for both of you to understand each other.