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Ramnarayan P, Cronje N, Brown R, et al. Emerg Med J. 2007;24:619-24.
Diagnostic errors are common and often related to cognitive processes, with many retrospectively discovered through review of closed malpractice claims or at time of autopsy. This study used a web-based clinical decision support system called Isabel to determine its ability to accurately diagnose acute medical problems compared with final discharge diagnoses and a panel of experts. Building on a past study, investigators discovered that the system displayed the final discharge diagnosis in 95% of inpatients. The authors highlight the potential benefits of integrating such a system into daily practice and call for further study on whether it reduces diagnostic error. An AHRQ WebM&M conversation with Dr. Britto, the co-founder of Isabel Healthcare Inc., discusses eradicating diagnostic errors through such decision support systems.