REVIEW ARTICLESA review of transfusion- and trauma-induced hypocalcemia Is it time to change the lethal triad to the lethal diamond?Ditzel, Ricky Michael Jr; Anderson, Justin Lee BHSc; Eisenhart, William Joseph MA; Rankin, Cody Jack; DeFeo, Devin Robert BA; Oak, Sangki BS; Siegler, Jeffrey MDAuthor Information From the George Washington University/United States Army Special Operations Command (R.M.D.); United States Army Special Operations Command (J.L.A.); Yale PA Online Program (W.J.E.), Yale University, New Haven, CT; United States Army Special Operations Command (C.J.R.); Medical Degree Preparatory Program, Uniformed Services University of Health Sciences (D.R.D.); University of Pittsburgh School of Medicine (S.O.), Pittsburgh, PA; and Department of Emergency Medicine (J.S.), Washington University School of Medicine, St. Louis, MS. Submitted: February 3, 2019, Revised: December 5, 2019, Accepted: December 14, 2019, Published online: December 23, 2019. This study was presented at the Annual Meeting of the Committee for Tactical Emergency Casualty Care, May 13–17, 2018, in Charlotte, NC, and at the 31st Annual Meeting of the Special Operations Medical Association's Special Operations Medical Scientific Assembly, May 6–10, 2019, in Charlotte, NC. The discussions generated by this presentation subsequently drove changes to the Joint Trauma System's Damage Control Resuscitation Clinical Practice Guideline. R.M.D. and J.L.A. shared co-first authorship. Address for reprints: Jeffrey Siegler, MD, Division of EMS, Department of Emergency Medicine, Washington University School of Medicine, 660 S. Euclid Ave., CB 8072, Saint Louis, MO 63110; email: firstname.lastname@example.org. Online date: December 26, 2019 Journal of Trauma and Acute Care Surgery: March 2020 - Volume 88 - Issue 3 - p 434-439 doi: 10.1097/TA.0000000000002570 Buy Take the CME Test Metrics © 2020 Lippincott Williams & Wilkins, Inc.