|1||Avoid moving persons within and between wards or rooms unless absolutely necessary|
|2||Give a tailored, multicomponent intervention package on the basis of the risk factors for delirium|
|3||Reorient the patient at risk by providing appropriate lighting and clear signage, ensuring that a clock (consider providing a 24-h clock in the critical care unit) and a calendar are easily visible|
|4||Address dehydration and constipation by ensuring adequate fluid intake|
|5||Assess for hypoxia and optimize oxygen saturation, if necessary, as clinically appropriate|
|6||Treat infections and avoid unnecessary catheterization|
|8||Address and assess for pain|
|9||Carry out a medication review for persons receiving several drugs, taking into account both the type and the number of medications|
|10||Address poor nutrition by following the advice given in the nutrition support in adults section in the NICE clinical guideline|
|11||Screen and address sensory impairment by providing hearing and visual aids|
|12||Promote good sleep patterns|
Guidelines adapted from O'Mahony et al. (47).
NICE = National Institute for Health and Care Excellence.