By thinking ahead and communicating treatment preferences early on, your loved one can prevent arguments and spare those close to him the anxiety of having to guess his wishes. Most important, he will have the opportunity to make very personal health care decisions for himself. These documents – called advanced directives – serve as a record of someone’s medical preferences.
Advance Directives: Creating a Living Will and Health Care Power of Attorney
Source: Advance Directives: Creating a Living Will and Health Care Power of Attorney