Medication errors are among the most significant threats to patient safety with an estimated 7000 deaths in adults per year in the United States alone. 1 Risks associated with injectable medications are ranked #1 among the five most significant safety issues in medicine ("High5s") by the World Health Organization (WHO) during its 2007 global campaign. 2 The situation is of considerably more concern in pediatric emergencies with appalling incidences and devastating outcomes.One principle contributing factor for the increased risk is the requirement for individual drug dose calculation in children. Tenfold calculation errors are easily made and may prove fatal. One example is dosing epinephrine for resuscitation or anaphylaxis. 3,4 Due to the wide range of pediatric body weights (newborns weighing less than 3 kg to obese adolescents weighing in excess of 100 kg), familiarity with a "typical" dose similar to adult practice is not achievable. 5 In addition, multiple doses can be taken from a single vial in children, further reducing the possibility of detecting and preventing a serious administration error in smaller children. Serious dosing errors, therefore, are not very obvious or immediately noticed as "unusual." Further, pediatric emergencies are commonly attended by staff with limited pediatric experience. 6 Drug dosing errors were documented to be as high as one in three administrations of any drug and in 60% of epinephrine in prehospital care by Emergency Medical Teams (EMT). 7 The average error of recorded overdoses of epinephrine was 808% from the recommended dose and is life-threatening. Another study of