RT Book, Section A1 Dewitz, Andreas A1 Jones, Robert A. A1 Goldstein, Jessica G. A1 Stone, Michael B. A2 Ma, O. John A2 Mateer, James R. A2 Reardon, Robert F. A2 Joing, Scott A. SR Print(0) ID 57796326 T1 Chapter 22. Additional Ultrasound-Guided Procedures T2 Ma and Mateer's Emergency Ultrasound, 3e YR 2014 FD 2014 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-179215-8 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=57796326 RD 2023/06/07 AB Invasive procedures are frequently performed in the ED. Traditionally, these procedures have been performed by emergency physicians who relied on physical assessment for making the correct diagnosis and surface landmarks for determining the correct approach. In recent years, the use of point-of-care ultrasound has been incorporated into the practice of many emergency physicians to guide or assist in the performance of a variety of invasive procedures.