Deliriumanddementiaare conditions that can be confusing, both to experience and to distinguish.
Both can cause memory loss,poor judgment, a decreased ability tocommunicate, and impaired functioning.
Delirium:Delirium is usually a sudden change in a condition.
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Delirium is also known asacute confusional state, with the key being that it is acute, or sudden.
Duration
Dementia:Dementia is generally a chronic, progressive disease that is incurable.
Delirium:Delirium can last for a couple of days to even a couple of months.
Delirium is almost always temporary if the cause is identified and treated.
Delirium:Delirium may significantly and uncharacteristically impair someone’s ability to speak coherently or appropriately.
Delirium:In delirium, the opposite is true.
However, that rate skyrockets to 89% for those who have dementia and are hospitalized.
Duong S, Patel T, Chang F.Dementia: what pharmacists need to know.Can Pharm J (Ott).
2017;150(2):118129. doi:10.1177/1715163517690745
Mayo Clinic.Delirium.
Hugo J, Ganguli M.Dementia and cognitive impairment: epidemiology, diagnosis, and treatment.Clin Geriatr Med.
2014;30(3):421442. doi:10.1016/j.cger.2014.04.001
Inouye SK, Westendorp RG, Saczynski JS.Delirium in elderly people.Lancet.
2018;13(11):e0207527.
doi:10.1371/journal.pone.0207527
Gold CA, Budson AE.Memory loss in Alzheimer’s disease: implications for development of therapeutics.Expert Rev Neurother.
2008;8(12):18791891. doi:10.1586/14737175.8.12.1879
O’Regan NA, Ryan DJ, Boland E, et al.Attention!
A good bedside test for delirium?J Neurol Neurosurg Psychiatry.
2014;85(10):11221131. doi:10.1136/jnnp-2013-307053
Alzheimer’s Association.FDA-approved treatments for Alzheimers.
Grover S, Avasthi A.Clinical practice guidelines for management of delirium in elderly.Indian J Psychiatry.
2018;60(Suppl 3):S329S340.
doi:10.4103/0019-5545.224473
Flanagan NM, Fick DM.Delirium superimposed on dementia.
Assessment and intervention.J Gerontol Nurs.
2010;36(11):1923.
2016 Oct 1;13(9-10):56-57.
