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 ...

Hospital delirium is a temporary condition characterized by sudden confusion, emotional changes, and unusual behavior. It commonly affects older adults in hospital settings, but it can affect anybody.

Delirium is a sudden decline in a person’s usual mental function. It occurs when signals in the brain aren’t sending and receiving properly, causing confusion in thinking and altered behaviour or ...

Delirium is a sudden change in your alertness and thinking. People with delirium typically become confused and have trouble paying attention. Delirium is an abrupt change to your mental state. It ...

Delirium is a sudden change in a person’s mental function. This can include their ways of thinking, behavior, or level of consciousness. Medical professionals do not yet fully understand delirium, but ...