This report examines current clinical practice in delirium, identifies areas of controversy, and highlights areas for future research. The pathophysiology of delirium remains poorly understood.

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Delirium is a common and serious acute neuropsychiatric syndrome with core features of inattention and global cognitive dysfunction. The etiologies of delirium are diverse and multifactorial and often ...