Title: Delirium Author: Sulieman Mazahreh Editor: Fadlullah M. F. AL-Saleem Keywords: Delirium, Acute confusion disorders, Psychiatry     Abstract  Delirium is a common and expensive acute confused condition that is accompanied by considerable functional impairment and discomfort. It is a symptom of acute encephalopathy and is variously referred to as acute brain failure, acute brain dysfunction, or changed mental state. All patients are at risk for delirium, however, those who are more vulnerable (such as advanced age, exposure to other stresses such as infection, and specific drugs) are at a higher risk. The pathophysiologic etiology of delirium is unknown. It […]