RT Book, Section A1 Iserson, Kenneth V. SR Print(0) ID 1124427331 T1 Vascular Access—Intravenous, Intraosseous, Clysis, and Peritoneal T2 Improvised Medicine: Providing Care in Extreme Environments, 2e YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9780071847629 LK accessmedicine.mhmedical.com/content.aspx?aid=1124427331 RD 2024/04/19 AB In some cases, patients cannot tolerate oral therapy or they need immediate medications, rehydration, or fluid/blood-product resuscitation. Clinicians must then be prepared to use intravenous and other parenteral infusion methods. Some of the following methods are not well known, but all can be used safely when needed.