Figure 1

The medication administration record (MAR) computerised prescription. Demographic patient data and known allergies are clearly indicated. The start date, prescription and administration times are shown. The cross hatched areas indicate a period before the prescription was written and/or after it has been discontinued. The times under the dated vertical columns show times of drugs already given, and the blank white blocks indicate schedule administration time. Stock drugs on the unit have been endorsed `S-pharmacy' for information.