Delirium classification: Difference between revisions
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==Overview== | ==Overview== | ||
Delirium is classified on the basis of etiology, duration and severity. | [[Delirium]] is classified on the basis of etiology, duration, and severity. Hyperactive [[delirium]] is defined as increased [[psychomotor]] activity, which may occur with increased [[mood]] [[lability]], [[agitation]], non cooperative [[attitude]] towards [[medical]] treatment. Hypoactive [[delirium]] is explained by a hypoactive level of [[psychomotor]] activity, which may exist along with increased [[lethargy]] or [[stupor]], [[inattentiveness]] and [[motor]] slowness and is much more common among [[ICU]] admitted [[patients]] with severe disease. | ||
==Types of Delirium== | ==Types of Delirium== | ||
[[Delirium]] may be classified into: | [[Delirium]] may be classified into the following: | ||
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* Disturbance in [[attention]] and [[awareness]] (reduced ability to direct, focus, shift [[attention]] and reduced [[orientation]] to [[envinment]] | * Disturbance in [[attention]] and [[awareness]] (reduced ability to direct, focus, shift [[attention]] and reduced [[orientation]] to [[envinment]]) | ||
*Initiation of disturbance over a short period of time during several hours or days with fluctuation in severity over a day | *Initiation of disturbance over a short period of time during several hours or days with fluctuation in severity over a day | ||
*Disturbance in [[cognition]] ([[memory deficit]], [[disorientation]], [[language]], [[visuospatial ability | *Disturbance in [[cognition]] ([[memory deficit]], [[disorientation]], [[language]], [[visuospatial]] ability, [[perception]] | ||
* | * Disturbance other than evolving [[neurocognitive]] disorder | ||
* Disturbance due to medical [[condition]], [[substance intoxication]], or withdrawal, [[toxin]] [[exposure]] | * Disturbance due to medical [[condition]], [[substance intoxication]], or withdrawal, [[toxin]] [[exposure]] | ||
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* [[Emotional disturbances]] | * [[Emotional disturbances]] | ||
* Upper limit [[time]]: 6 months | * Upper limit [[time]]: 6 months | ||
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| colspan="2" align="Left"| Mixed level of activity | | colspan="2" align="Left"| Mixed level of activity | ||
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===Based on Duration=== | ===Based on Duration=== | ||
Latest revision as of 08:23, 22 April 2021
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Delirium Microchapters |
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Diagnosis |
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Treatment |
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Delirium On the Web |
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American Roentgen Ray Society Images of Delirium |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Zand, M.D.[2] Pratik Bahekar, MBBS [3]; Vishal Khurana, M.B.B.S., M.D. [4]
Overview
Delirium is classified on the basis of etiology, duration, and severity. Hyperactive delirium is defined as increased psychomotor activity, which may occur with increased mood lability, agitation, non cooperative attitude towards medical treatment. Hypoactive delirium is explained by a hypoactive level of psychomotor activity, which may exist along with increased lethargy or stupor, inattentiveness and motor slowness and is much more common among ICU admitted patients with severe disease.
Types of Delirium
Delirium may be classified into the following:
| Diagnostic and Statistical Manual (DSM)-5 | World Health Organization's International Classification of Diseases (10th revision) | ICD-10 |
|---|---|---|
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| Classification based on | Types | |
|---|---|---|
| Etiology | Substance intoxication delirium | |
| Substance withdrawal delirium | ||
| Delirium caused by another medical condition | ||
| Delirium caused by multiple etiologies | ||
| Duration | Acute | |
| Persistent | ||
| Severity | Hyperactive | |
| Hypoactive | ||
| Mixed level of activity | ||
Based on Duration
- Acute: When delirium lasts for a few hours to days.
- Persistent: When delirium lasts for weeks or months.
Based on Severity
- Hyperactive: An increased psychomotor activity, which may co-occur with, increased mood lability, agitation, and/or non cooperative attitude towards medical treatment.
- Hypoactive: A hypoactive level of psychomotor activity, which may exist along with increased sluggishness, lethargy or stupor, inattentiveness and motor slowness and is much more common among ICU admitted patients with severe disease.[1]
- Mixed level of activity: A normal level of psychomotor activity, individuals with rapidly fluctuating activity are also included in this category.[2]
Some authors have described a fourth type of delirium called as subsyndromal delirium, which is an incomplete form of delirium.[3]
References
- ↑ Krewulak, Karla D.; Stelfox, Henry T.; Leigh, Jeanna Parsons; Ely, E. Wesley; Fiest, Kirsten M. (2018). "Incidence and Prevalence of Delirium Subtypes in an Adult ICU". Critical Care Medicine. 46 (12): 2029–2035. doi:10.1097/CCM.0000000000003402. ISSN 0090-3493.
- ↑ Inouye, SK.; Westendorp, RG.; Saczynski, JS. (2013). "Delirium in elderly people". Lancet. doi:10.1016/S0140-6736(13)60688-1. PMID 23992774. Unknown parameter
|month=ignored (help) - ↑ Young, J.; Inouye, SK. (2007). "Delirium in older people". BMJ. 334 (7598): 842–6. doi:10.1136/bmj.39169.706574.AD. PMID 17446616. Unknown parameter
|month=ignored (help)