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Electrocerebral silence

Flat or isoelectric encephalogram; an electroencephalogram with absence of cerebral activity over 2 mcv from symmetrically placed electrode pairs 10 (or more) cm apart, and with interelectrode resistance between 100–10,000 ohms; if such a record is present for 30 minutes in a clinically brain dead adult and if drug intoxication, hypothermia, and recent hypotension have been excluded, the diagnosis of cerebral death is supported.
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