brain death

brain death

n.

Irreversible brain damage and loss of brain function, as evidenced by cessation of breathing and other vital reflexes, unresponsiveness to stimuli, absence of muscle activity, and a flat electroencephalogram for a specific length of time. Also called cerebral death.

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brain-dead adj.

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brain death,

n an irreversible form of unconsciousness characterized by a complete loss of brain function while the heart continues to beat.

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brain death End of life The irreversible cessation of all functions of the entire brain, including the brainstem. See Appropriate period of observation, Attending physician, Corroborating physician, Harvard criteria, Multiorgan donation

Harvard criteria for brain death

• Unreceptivity and unresponsiveness
• No movement or breathing
• No reflexes
• Flat electroencephalogram (confirmatory)

In addition, the following must be present

• Body temperature ≥ to 32º C
• Absence of CNS depressants
.