It seems like one of the issues here is that the caregiver and patient are having trouble asking the questions they really want to ask. Caregiver and patient are reluctant to ask the questions they really want to ask. Make a list of questions together beforehand and write them down. Let the physician know that you have a list of questions. Present questions in succinct manner.
Patient is in a hospital gown.
Doctor rushes in and stands while he talks. I had an emergency. That's ok doctor. I know how busy you are. We've had a lot of success with that new medication I ordered.