Relevant practice guidelines:

• NICE clinical guideline 103 ‘Delirium: Diagnosis, prevention and management’, NICE institute, London, UK: http://guidance.nice.org.uk/CG103

Relevant literature:

• Young J, Murthy L, Westby M, Akunne A, O’Mahony R, on behalf of the Guideline Development Group. Diagnosis, prevention, and management of delirium: summary of the NICE guidance. British Medical Journal 2010;341:247-249
• Wong CL, Holroyd-Leduc J, Simel DL, Straus SE. Does this patient have delirium? Value of bedside instruments. Journal of the American Medical Association 2010;304:779-786.

Relevant websites:

• American Delirium Society: http://americandeliriumsociety.org
• European Delirium Association: http://www.europeandeliriumassociation.com
• Hospital Elder Life Programme (HELP, Yale University School of Medicine, New Haven, USA): http://www.hospitalelderlifeprogram.org/public/public-main.php