How should I advise a patient if he believes that some family members will disagree with his wishes?

The patient should be informed that the best way to prevent disagreements is to communicate with everyone ahead of time to let them know who has been picked as a spokesperson and what kind of approach to medical care he wants.

The patient should be informed that the best way to prevent disagreements is to communicate with everyone ahead of time to let them know who has been picked as a spokesperson and what kind of approach to medical care he wants.