The Advance Health Care Directive is a written statement that gives authority to another person in place of the patient, when they are unable to make medical decisions. If the patient is 18 years old or older and of sound mind they can complete the Advance Health Care Directive form. If you are too sick to make a decision, doctors will ask your closest relative or friend to make decisions for you. However, the Advance Health Care Directive prevents doctors from having to find the closest relative or friend to make decisions for you because your "agent" would already be stated in the form. The form is great because it states the kind of treatment you want and do not want. The Advance Health Care Directive can be revoked or changed at any time.
I do not know if other states have something similar to the Advance Health Care Directive, if they don't you should contact your doctor and let them know who you want to make health decisions on your behalf in case you are unable to.
I live in Atlanta, Georgia and do not know the laws surrounding this issue. However, I plan to talk to my doctor to let them know who I want to make medical decisions on my behalf.
Have you spoke to your doctor about who you want to make treatment decisions for you when you are unable?