Definitions

Delirium is a neurocognitive disorder characterized by an acute disturbance in attention, which can be hypo- or hyper-active, or mixed.¹

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

2. Droś J, Kowalska K, Pasińska P, et al. Delirium post-stroke influence on post-stroke dementia (research study – part of the PROPOLIS Study). J Clin Med 2020; 9 (7): 2165.

3. Grover S, Ghosh A. Delirium tremens: assessment and management. J Clin Exp Hepatol 2018; 8 (4): 460–470.