A person appointed and granted the authority to make medical decisions for you in the event you are unable to express your preferences about medical treatment. Most commonly, this situation occurs either because you are unconscious or because your mental state is such that you do not have the legal capacity to make your own decisions. As with living wills, depending on your state of residence, the health care proxy may be a standard or statutory form or it may be may be drafted specifically for you by your lawyer. Normally, one person (not multiple persons to act at one time) is appointed as your health care proxy. It is quite common, however, for you to appoint one or more alternate persons (successors) in the event your first choice proxy is unavailable. You should confirm prior to appointing someone as your proxy that he or she will in fact be willing and able to carry out your wishes. If your preferred proxy has, for example, a religious view that prevents him or her from carrying out your wishes, you should name someone else. As in the case of a living will, medical professionals will make the initial determination as to whether you have the capacity to make your own medical treatment decisions.