RT Book, Section A1 Rose, John S. A1 Sylvester, Patrick J. A1 Abo, Alyssa M. A2 Ma, O. John A2 Mateer, James R. A2 Reardon, Robert F. A2 Byars, Donald V. A2 Knapp, Barry J. A2 Laudenbach, Andrew P. SR Print(0) ID 1175881223 T1 Vascular Access T2 Ma and Mateer's Emergency Ultrasound, 4e YR 2021 FD 2021 PB McGraw-Hill Education PP New York, NY SN 9781260441819 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1175881223 RD 2024/10/12 AB Establishing reliable vascular access in an emergency is of critical importance. Many factors, including body habitus, volume depletion, shock, history of injection drug use, congenital deformity, and cardiac arrest, can make obtaining vascular access in the critically ill or injured patient extremely difficult. The introduction of point-of-care ultrasound (POCUS) into emergency and acute care settings has been an important advancement for facilitating rapid and successful vascular access.