Life is full of uncertainty. You never know when you are going to need an advance directive. These directives dictate what your medical teams should do with you if you’re not in the state to make a decision. It’s an important tool as well that might save your family tons of fortune on unnecessary medical expenses,  among other things.
There are two primary kinds of advance directives:
A power of attorney is more flexible by nature, as it has to deal with more uncertainties. You never know what you are going to be struck with that render you in the state that makes you unable to make a decision. Be sure that you are entrusting the power of attorney to someone who you trust. Also choose someone who does not benefit from your state.
Many states actually combine the living will and power of attorney into one "advance directive" form.
There are specific conditions that you should include in your medical power of attorney. This will guide the action of your medical staffs to comply with your wishes. You might want to include things like:
Every state has its own form of advance directives. Answering these questions and including specific conditions that you want in yours is important. It will allow you to adjust your demands to the laws of that state. This will ensure that you put yourself in the exact situation you’ve assigned, if the case does come to pass. You can always add  or change the clauses of your advance directives. That is if you change your mind in the future, or if the circumstances demand it.
1. Lubitz, J; Riley, GF. Trends in Medicare payments in the last year of life. New England Journal of Medicine. 1993;328:1092-1096.
2. “Advance Care Planning: Healthcare Directives.” National Institute on Aging, U.S. Department of Health and Human Services, www.nia.nih.gov/health/advance-care-planning-healthcare-directives.