Now in a completely rewritten version, this definitive work covers all aspects of delirium, a frequent complication of physical illness, especially in the elderly. Unique in its range of coverage, the book traces the history of delirium from the 5th century B.C. to the present, and offers detailed discussions of its clinical features, diagnosis, pathophysiology, etiology, and treatment. This new edition fully reflects the substantial progress in understanding the disorder made over the last decade. Delirium will be very useful to geriatricians, neurologists, psychiatrists, and other clinicians as it offers detailed practical guidance on diagnosis and management of the disorder. The only English-language monograph on this subject, it contains over 2,300 references.