Delirium is thought to be an unrecognized condition, often going undiagnosed in clinical settings.3 This is partly due to a lack of training about the importance of diagnosing delirium, and lack of knowledge among healthcare professionals about the impact that delirium can have on patients.3

References:
1. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders – fifth edition text revision. American Psychiatric Association; 2022.

2. National Institute for Health and Care Excellence. Delirium: prevention, diagnosis and management in hospital and long-term care. Clinical guideline CG103. Updated January 2023. Available at: https://www.nice.org.uk/guidance/cg103. Accessed July 2023.

3. Wilson JE, Mart MF, Cunningham C, et al. Delirium. Nat Rev Dis Primers 2020; 6 (1): 90.