“…If patient safety is defined as freedom from accidental injury, then several studies suggest that medication error has become a leading cause of adverse events during anesthesia. For example, an analysis of critical incidents by Cooper et al , (1978 and1984) demonstrated that the total number of medication-related events (including syringe swaps, drug ampoule swaps, overdose, or wrong choice of drug) far exceeded the next most frequent problem, disconnection of the breathing circuit. 2,3 Similarly, an analysis of the first 2,000 events reported to the Australia Incident Monitoring Study (AIMS) revealed that the "wrong drug" was a common problem.…”