Table 1.

The Intensive Care Delirium Screening Checklist (ICDSC)

Patient evaluation
Altered level of consciousness (A–E)	*
Inattention	Difficulty in following a conversation or instructions. Easily distracted by external stimuli. Difficulty in shifting focuses. Any of these scores 1 point.
Disorientation	Any obvious mistake in time, place or person scores 1 point.
Hallucinations-delusion-psychosis	The unequivocal clinical manifestation of hallucination or of behavior probably due to hallucination or delusion. Gross impairment in reality testing. Any of these scores 1 point.
Psychomotor agitation or retardation	Hyperactivity requiring the use of additional sedative drugs or restraints in order to control potential danger to oneself or others. Hypoactivity or clinically noticeable psychomotor slowing.
Inappropriate speech or mood	Inappropriate, disorganized or incoherent speech. Inappropriate display of emotion related to events or situation. Any of these scores 1 point.
Sleep/wake cycle disturbance	Sleeping less than 4 h or waking frequently at night (do not consider wakefulness initiated by medical staff or loud environment). Sleeping during most of the day. Any of these scores 1 point.
Symptom fluctuation	Fluctuation of the manifestation of any item or symptom over 24 h scores 1 point.
Total score (0–8)

^*Level of consciousness

A: No response, score: None.

B: Response to intense and repeated stimulation (loud voice and pain), score: None.

C: Response to mild or moderate stimulation, score 1.

D: Normal wakefulness, score: 0.

E: Exaggerated response to normal stimulation, score: 1.

(Adapted from Bergeron et al.)(13)