Fig. 1.
Patient vulnerability factors for delirium. Footnote: Increased burden of these vulnerability factors will increase the patient’s susceptibility to delirium. Modified from Han et al., Pun et al., Fearing et al., and the American Psychiatry Association Delirium Guidelines [30, 31, 32, 33•]. *Psychoactive medications include benzodiazepines, opioids, and medications with anticholinergic properties.