RT Book, Section A1 Budhram, Gavin R. A1 Reardon, Robert F. A1 Plummer, David W. A2 Ma, O. John A2 Mateer, James R. A2 Reardon, Robert F. A2 Joing, Scott A. SR Print(0) ID 57791150 T1 Chapter 8. Critical Care 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=57791150 RD 2023/09/25 AB The management of critically ill patients becomes more challenging when they are hemodynamically unstable or clinically deteriorating, and the underlying etiology of their condition is unclear. This often occurs shortly after arrival to the ED, but can also occur in other parts of the hospital hours or days after care has been established, with unexpected deterioration of a previously stable patient. In these situations, clinicians are often forced to make treatment decisions before diagnostic tests can be performed. A focused physical examination of the critical organ systems is often inaccurate or misleading. Point-of-care ultrasound can rapidly examine the same organ systems with a higher degree of accuracy.