An evidence based approach to diagnostic testing in emergency medicine

Virtually all physicians involved in clinical practice are realizing that the delivery of highest caliber medical care requires a blend of appropriate training, adequate experience, the proper amount of "art," empathetic interpersonal skills, respect for patient preferences, and, more than ever, an evidence-based approach firmly grounded in methodologically sound scientific studies. This article provides an overview of the issue, explaining the evidence-based approach to the many diagnostic studies discussed in the ensuing articles.