Box 3: Useful websites N http://www.diabetes.org—American Diabetes Association (detailed guidelines for management of hyperglycaemic crises available on this site). N http://www.diabetes.org.uk—Diabetes UK. N http://www.joslin.harvard.edu/—Joslin diabetes centre. N http://www.staff.ncl.ac.uk/philip.home/guidelines— Transnational diabetes guidelines from the International Diabetes Federation (European Region) on behalf of the St Vincent Declaration Initiative of IDF (Europe)/WHO (Regional Office for Europe), including guidelines for management of diabetic ketoacidosis.