"any disorder (as sudden confusion or disorientation) in an otherwise normal person that is due to reversible (temporary) impairment of brain tissues (as by head injuries or drugs or infection)"@en-us . . "acute organic brain syndrome"@en-us . . "113253194"@en-us . . "14054762-n"^^ . "0.125"^^ . . . . "acute brain disorder"@en-us . . . . "acute brain disorder"^^ . "114054762"^^ . . . "110122167"@en-us . . "0"^^ .