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terminal dehydration
Terminal dehydration is dehydration to the point of death, potentially as a suicide method. Some scholars make a distinction between "terminal dehydration" and "termination by dehydration". Courts in the United States〔NL Cantor (1987). Legal frontiers of death and dying. Indiana University Press. ISBN 0-253-33290-7, pp. 28-29.〕 generally do not recognize prisoners as having a right to die by voluntary dehydration, since they view it as suicide.〔 As terminally ill patients approach death, their desire to consume food and fluids tends to diminish. Although it is common practice to hydrate such patients, there is some evidence that dehydration may actually be more comfortable for these patients than hydration.
==Progression==
During terminal dehydration, the usual symptoms of dehydration, such as headache and leg cramps, can occur. Dehydration can be hard to bear, since it takes from several days to a few weeks. This means that unlike many other suicide methods, it cannot be accomplished impulsively. However, a "point of no return" can eventually be reached at which, should it be desired to abort the terminal dehydration, rehydration cannot be accomplished through simple oral rehydration therapy; rather, it will require medical assistance such as intravenous therapy. Those who die by terminal dehydration typically lapse into unconsciousness before death, and may also experience delirium and altered serum sodium. Discontinuation of hydration does not produce true thirst, although a sensation of dryness of the mouth often is reported as "thirst." The evidence this is not true thirst is extensive and shows the ill feeling is not relieved by giving fluids intravenously but is relieved by wetting the tongue and lips and proper care of the mouth. Patients with edema tend to take longer to die of dehydration because of the excess fluid in their bodies.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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