Editing Delirium (section)

==Definition==
In common usage, delirium can refer to drowsiness, [[psychomotor agitation|agitation]], disorientation, or hallucinations. In [[medical terminology]], however, the core features of delirium include an acute disturbance in attention, awareness, and global cognition.

Although slight differences exist between the definitions of delirium in the [[Diagnostic and Statistical Manual of Mental Disorders|DSM-5-TR]]<ref name="DSM-5-TR" /> and [[ICD-10]],<ref>{{cite web |url=https://www.who.int/classifications/icd/en/bluebook.pdf |title= The ICD-10 Classification of Mental and Behavioural Disorders Clinical descriptions and diagnostic guidelines | vauthors =  Sartorius N, Henderson A, Strotzka H, Lipowski Z, Yu-cun S, You-xin X, Strömgren E, Glatzel J, Kühne GE, Misès R, Soldatos C, Pull C, Giel R, Jegede R, Malt U, Nadzharov R, Smulevitch A, Hagberg B, Perris C, Scharfetter C, Clare A, Cooper J, Corbett J, Griffith Edwards J, Gelder M, Goldberg D, Gossop M, Graham P, Kendell R, Marks I, Russell G, Rutter M, Shepherd M, West D, Wing J, Wing L, Neki J, Benson F, Cantwell D, Guze S, Helzer J, Holzman P, Kleinman A, Kupfer D, Mezzich J, Spitzer R, Lokar J |website=www.who.int [[World Health Organization]] |publisher=[[Microsoft Word]]  |agency=bluebook.doc |pages=56–7 |access-date=23 June 2021 |url-status=live|via=[[Microsoft Bing]]|archive-url=https://web.archive.org/web/20041017011412/http://www.who.int/classifications/icd/en/bluebook.pdf |archive-date=2004-10-17 }}</ref> the core features are broadly the same. In 2022, the American Psychiatric Association released the fifth edition text revision of the DSM ([[DSM-5-TR]]) with the following criteria for diagnosis:<ref name="DSM-5-TR" />
* A. Disturbance in attention and awareness. This is a required symptom and involves easy distraction, inability to maintain attentional focus, and varying levels of alertness.<ref name="American_Psychiatric_Publishing_2008">{{Cite book|title=The American Psychiatric Publishing textbook of psychiatry|date=2008| veditors = Hales RE, Yudofsky SC, Gabbard GO |publisher=American Psychiatric Publishing |isbn=9781585622573 |edition=5th |location=Washington, DC |oclc=145554590}}</ref>
* B. Onset is acute (from hours to days), representing a change from baseline mentation and often with fluctuations throughout the day
* C. At least one additional cognitive disturbance (in memory, [[Orientation (mental)|orientation]], language, visuospatial ability, or perception)
* D. The disturbances (criteria A and C) are not better explained by another neurocognitive disorder
* E. There is evidence that the disturbances above are a "direct physiological consequence" of another medical condition, substance intoxication or withdrawal, toxin, or various combinations of causes