Denver Health Medical Center’s Massive Transfusion Protocol Denver Health Medical Center’s Massive Transfusion Protocol. ACT = activated clotting time; Cryo = cryoprecipitate; FFP = fresh-frozen plasma; INR = International Normalized Ratio; MA = maximum amplitude; PRBCs = packed red blood cells; PTT = partial thromboplastin time; SBP = systolic blood pressure; TEG = thromboelastography; EPL = estimated percent lysis. Source: Trauma, Schwartz's Principles of Surgery, 10e Citation: Brunicardi F, Andersen DK, Billiar TR, Dunn DL, Hunter JG, Matthews JB, Pollock RE. Schwartz's Principles of Surgery, 10e; 2014 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/Books/980/bru_ch7_f032.png&sec=100392392&BookID=980&ChapterSecID=59610848&imagename= Accessed: November 11, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved