Luciano M. Prevedello, MD, MPH, Ali S. Raja, MD, MBA, MPH, Ivan K

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Does Clinical Decision Support Reduce Unwarranted Variation in Yield of CT Pulmonary Angiogram? Luciano M. Prevedello, MD, MPH, Ali S. Raja, MD, MBA, MPH, Ivan K. Ip, MD, MPH, Aaron Sodickson, MD, PhD, Ramin Khorasani, MD, MPH The American Journal of Medicine Volume 126, Issue 11, Pages 975-981 (November 2013) DOI: 10.1016/j.amjmed.2013.04.018 Copyright © 2013 Elsevier Inc. Terms and Conditions

Figure 1 The clinical decision support required information about the level of clinical suspicion for pulmonary embolism (low, intermediate, or high) and the serum D-dimer level (not done, unknown, normal, or elevated). (A) If no information was provided for these variables, the application presented the user with message A and prompted them to provide additional clinical information (add indication). (B) Imaging requests for patients with a normal D-dimer level and intermediate or low suspicion for pulmonary embolism received message B. (C) Imaging requests for patients with an intermediate or low level of clinical suspicion without a D-dimer received message C. (D) No decision support was presented if the request was deemed appropriate. CT = computed tomography; CTPA = computed tomography pulmonary angiography; PE = pulmonary embolism. The American Journal of Medicine 2013 126, 975-981DOI: (10.1016/j.amjmed.2013.04.018) Copyright © 2013 Elsevier Inc. Terms and Conditions