RT Book, Section A1 Reichman, Eric F. SR Print(0) ID 57705685 T1 Chapter 55. Intraosseous Infusion T2 Emergency Medicine Procedures, 2e YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-161352-1 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=57705685 RD 2024/04/23 AB Obtaining peripheral vascular access in the critically ill patient may be difficult and time-consuming. The vascular collapse that may accompany severe dehydration or a cardiac arrest can be profound and delay administration of essential therapies. Pediatric patients, in particular, may present a challenge due to the small size of their peripheral veins and the increased subcutaneous tissue. Administration of endotracheal medications may not provide rapid and reliable drug absorption during a cardiorespiratory arrest.1,2