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advance health care directive,legal document in which a person expresses in advance his or her wishes concerning the use of artificial life supportartificial life support,
systems that use medical technology to aid, support, or replace a vital function of the body that has been seriously damaged. Such techniques include artificial pacemakers, internal defibrillators, dialysis machines (see kidney, artificial), and
..... Click the link for more information. and other medical treatment should the person be unable to communicate such wishes due the effects of illness, injury, or another cause of incapacity. A living will usually goes into effect only when two physicians certify that a patient is unable to make medical decisions and that the patient's medical circumstances are within the guidelines specified by the state's living-will law. Typically, living wills are used to direct loved ones and doctors to follow a specific course of treatment and care, such as discontinuing life-sustaining measures such as intravenous feeding, mechanical respirators, or cardiopulmonary resuscitationcardiopulmonary resuscitation
(CPR), emergency procedure used to treat victims of cardiac and respiratory arrest. CPR can be done in a hospital with drugs and special equipment or as a first-aid technique.
..... Click the link for more information. that the patient would reject were he or she able. Without clear and convincing evidence of a person's wishes (such as a living will), life support may be continued indefinitely because of hospital policies, fear of liability, or a doctor's moral beliefs, even if the family believes the patient's wishes would be otherwise. Living wills are often used in conjunction with a health-care proxyhealth-care proxy,
legal document in which a person assigns to another person, usually called an agent or proxy, the authority to make medical decisions in case of incapacitation. It is, in essence, a power of attorney for health care.
..... Click the link for more information. , which authorizes a previously chosen person to make health-care decisions in the event of incapacity. Most states and many countries have legislation authorizing living wills. See also euthanasiaeuthanasia
, either painlessly putting to death or failing to prevent death from natural causes in cases of terminal illness or irreversible coma. The term comes from the Greek expression for "good death.
..... Click the link for more information. .
See publications of Choice in Dying.
a document stating that if its author becomes terminally ill, his or her life should not be prolonged by artificial means, such as a life-support machine