In a way, you can say that advance care directives (ACDs for short) are legal documents which enable folks to inform others around them the quality of life that one is prepared to accept when in a coma, terminally ill, or do not have the capacity to speak for themselves. Since not too many people have ACDs at the moment, and even those who do hardly carry them around, clinicians are hence unable to access the patient's wishes should the patient end up in life threatening medical situations.
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