RT Book, Section A1 Wright, David W. A1 Merck, Lisa H. A2 Tintinalli, Judith E. A2 Ma, O. John A2 Yealy, Donald M. A2 Meckler, Garth D. A2 Stapczynski, J. Stephan A2 Cline, David M. A2 Thomas, Stephen H. SR Print(0) ID 1167027963 T1 Head Trauma T2 Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 9e YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9781260019933 LK accessmedicine.mhmedical.com/content.aspx?aid=1167027963 RD 2024/11/03 AB Traumatic brain injury (TBI) is defined as brain function impairment that results from external force.1 Clinical manifestations represent a broad constellation of symptoms from brief confusion to coma, severe disability, and/or death. The underlying pathology ranges from temporary shifts in cellular ionic concentrations to permanent structural damage.