An advance directive should be an individualized document that reflects your wishes, values, preferences and priorities. Therefore, no one can tell you exactly what should or shouldn’t be in the documents. The advances of modern medicine are taking place so quickly that it is unimaginable what treatments and interventions will be available in the future. The best advice is to select someone as a proxy/agent who you trust and who you believe will respect your right to get the kind of care you would want. Also select someone who is good at making decisions and will be  strong advocate for your. Some directives address the types of procedures that are most commonly administered to individuals who are terminally or irreversibly ill. They include but are not limited to: blood and blood products, cardiopulmonary resuscitation (CPR), diagnostic tests, antibiotics, respirators, surgery, and artificial feeding and hydration. If you want to insure that relief from pain and other discomforts is a priority, then you should specify this in your advance directives.