Saturday, September 20, 2008

Saturday September 20, 2008
Diagnostic criteria of Delirium


Q: What are 4 basic criteria to label patient as having Delirium?

A: Per American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders. 4th ed. (DSM-IV), Patient is having delirium if

1. Disturbance of consciousness (eg, reduced clarity of awareness of the environment) with reduced ability to focus, sustain, or shift attention.

2. A change in cognition such as memory deficit, disorientation, language disturbance (or the development of a perceptual disturbance that is not better accounted for by a preexisting, established, or evolving dementia).

3. The disturbance develops over a short period of time (usually hours) and tends to fluctuate during the course of the day.

4. Disturbance caused by a general medical condition or substance intoxication or medication use.


Related website: http://www.icudelirium.org/



References: click to get abstract/article

1. An Empirical Study of Different Diagnostic Criteria for Delirium Among Elderly Medical Inpatients - J Neuropsychiatry Clin Neurosci 15:200-207, May 2003

2. Delirium in Elderly Patients - Focus 3:320-332 (2005)

3. Delirium in Older Persons - N. Engl. J. Med., March 16, 2006; 354(11): 1157 - 1165

4. Delirium - emedicine.com

5. Delirium - American Family Physician® Vol. 67/No. 5 (March 1, 2003)

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