Source:http://linkedlifedata.com/resource/umls/id/C0023914
MSH: Written, witnessed declarations in which persons request that if they become disabled beyond reasonable expectation of recovery, they be allowed to die rather than be kept alive by extraordinary means. (Bioethics Thesaurus),NCI: A type of legal advance directive in which a person describes specific treatment guidelines that are to be followed by health care providers if he or she becomes terminally ill and cannot communicate. A living will usually has instructions about whether to use aggressive medical treatment to keep a person alive (such as CPR, artificial nutrition, use of a respirator).