Delirium uncovered

Abstract

Delirium is defined as an acute confusional state with a disturbance of consciousness and a change in cognition which is fluctuating and self-limited in the vast majority of the cases. It is common in intensive care, most frequently in its hypoactive manifestation, and is associated with increased morbidity and mortality. This article reviews the pathogenesis, risk factors, diagnostic assessment, prevention and management of delirium.