Sections View Full Chapter Figures Tables Videos Full Chapter Figures Tables Videos Supplementary Content Print Section ++ Lisa M. McElroy, MD, MS ++ Resident Physician ++ Medical College of Wisconsin and Affiliated Hospitals ++ Milwaukee, Wisconsin ++ ++ Travis P. Webb, MD, MHPE ++ Professor ++ Department of Surgery ++ Associate Dean for Curriculum ++ Vice Chair Trauma and Critical Care Surgery ++ Medical College of Wisconsin and Affiliated Hospitals ++ Milwaukee, Wisconsin