Confusion Assessment Method for the Intensive Care Unit (CAM-ICU): CAM-ICU tool can be used to determine the presence or absence of delirium after the level of sedation has been assessed and determined to be greater than −3 using the Richmond Agitation-Sedation Scale (RASS).
(Previously published from Ely EW, Inouye SK, Bernard GR, et al. Delirium in mechanically ventilated patients: Validity and reliability of the confusion assessment method for the intensive care unit [CAM-ICU]. JAMA. 2001;286:2703–2710.) reference 37