Definition: a clinical syndrome characterized by the permanent loss of cerebral and brainstem function, manifested by absence of responsiveness to external stimuli, absence of cephalic reflexes, and apnea. An isoelectric electroencephalogram for at least 30 minutes in the absence of hypothermia and poisoning by central nervous system depressants supports the diagnosis.
Synonym(s): brain death
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.