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skos:definition |
MSH: A profound state of unconsciousness associated with depressed cerebral activity from which the individual cannot be aroused. Coma generally occurs when there is dysfunction or injury involving both cerebral hemispheres or the brain stem RETICULAR FORMATION.,CSP: profound state of unconsciousness associated with depressed cerebral activity from which the individual cannot be aroused; coma generally occurs when there is dysfunction or injury involving both cerebral hemispheres or the brain stem.,MEDLINEPLUS: <p>A coma is a deep state of unconsciousness. An individual in a coma is alive but unable to move or respond to his or her environment. Coma may occur as a complication of an underlying illness, or as a result of injuries, such as <a href='http://www.nlm.nih.gov/medlineplus/traumaticbraininjury.html'>head trauma</a>.</p><p>A coma rarely lasts more than 2 to 4 weeks. The outcome for coma depends on the cause, severity, and site of the damage. People may come out of a coma with physical, intellectual, an
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