Georgia Code Title 29. Guardian and Ward § 29-4-21

(a) Unless the court's order specifies that one or more of the following powers are to be retained by the ward, the appointment of a guardian shall remove from the ward the power to:

(b) The mere appointment of a guardian does not revoke the powers of an agent who was previously appointed by the ward to act as an agent under a durable power of attorney for health care, a health care agent under an advance directive for health care, or a mental health care agent under a psychiatric advance directive.