Since I first started working in the field of healthcare, I have seen and lived the debate about what could be useful for patients with low cost and what could be useful but too expensive. The cost effectiveness concept has always been a debate when it comes to a hospital purchase. The Clinical Decision Support Systems (CDSS) purchase, is one of these topics went through this debate. While some people consider the purchase of a CDSS, by a hospital, as a money waste that spent only for the hospital image or for getting some accreditations, others believe that these CDSS not only reduce medication errors and save patients’ lives, but also save the money spent by hospitals as a consequence of medication errors. I believe that the role CDSS play
