Of the 3 informative articles included in this special geriatric collection, 1 offers a perspective on the treatment of depression that does not focus on somatotherapy. The others remind us of 2 additional geriatric Ds of importance: drugs and driving.
Delirium has been recognized and described since antiquity. It is a brain disturbance manifested by a syndrome of diverse neuropsychiatric symptoms. Various terms have been used for delirium, such as acute brain disorder, metabolic encephalopathy, organic brain syndrome, and ICU psychosis.
Delirium is characterized by an altered level of consciousness, decreased attention span, acute onset, and fluctuating course. Approximately 15% of elderly patients admitted to the hospital have delirium as a presenting or associated symptom. Delirium will develop in another 15% of elderly patients during hospitalization.