• Danielle M McCarthy, Rhea E Powell, Kenzie A Cameron, David H Salzman, Dimitrios Papanagnou, Amanda Mb Doty, Benjamin E Leiby, Katherine Piserchia, Matthew R Klein, Xiao C Zhang, William C McGaghie, and Kristin L Rising.
• Department of Emergency Medicine, Northwestern University Feinberg School of Medicine, 211 East Ontario, Suite 200, Chicago, IL, 60611, USA. d-mccarthy2@northwestern.edu.
• BMC Med Educ. 2020 Feb 19; 20 (1): 49.

BackgroundDiagnostic uncertainty occurs frequently in emergency medical care, with more than one-third of patients leaving the emergency department (ED) without a clear diagnosis. Despite this frequency, ED providers are not adequately trained on how to discuss diagnostic uncertainty with these patients, who often leave the ED confused and concerned. To address this training need, we developed the Uncertainty Communication Education Module (UCEM) to teach physicians how to discuss diagnostic uncertainty. The purpose of the study is to evaluate the effectiveness of the UCEM in improving physician communications.MethodsThe trial is a multicenter, two-arm randomized controlled trial designed to teach communication skills using simulation-based mastery learning (SBML). Resident emergency physicians from two training programs will be randomly assigned to immediate or delayed receipt of the two-part UCEM intervention after completing a baseline standardized patient encounter. The two UCEM components are: 1) a web-based interactive module, and 2) a smart-phone-based game. Both formats teach and reinforce communication skills for patient cases involving diagnostic uncertainty. Following baseline testing, participants in the immediate intervention arm will complete a remote deliberate practice session via a video platform and subsequently return for a second study visit to assess if they have achieved mastery. Participants in the delayed intervention arm will receive access to UCEM and remote deliberate practice after the second study visit. The primary outcome of interest is the proportion of residents in the immediate intervention arm who achieve mastery at the second study visit.DiscussionPatients' understanding of the care they received has implications for care quality, safety, and patient satisfaction, especially when they are discharged without a definitive diagnosis. Developing a patient-centered diagnostic uncertainty communication strategy will improve safety of acute care discharges. Although use of SBML is a resource intensive educational approach, this trial has been deliberately designed to have a low-resource, scalable intervention that would allow for widespread dissemination and uptake.Trial RegistrationThe trial was registered at clinicaltrials.gov (NCT04021771). Registration date: July 16, 2019.

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