BACKGROUND: Delirium is an acute organic brain syndrome caused by various reasons, and it is common in elderly patients. 背景:谵妄是由于各种原因引起的急性脑器质性综合征,多见于老年病人。
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)