RT Book, Section A1 Gomella, Tricia Lacy A1 Cunningham, M. Douglas A1 Eyal, Fabien G. A1 Tuttle, Deborah J. SR Print(0) ID 1107527284 T1 Arterial Access: Arterial Puncture (Radial Artery Puncture) T2 Neonatology: Management, Procedures, On-Call Problems, Diseases, and Drugs, 7e YR 2013 FD 2013 PB McGraw-Hill Education PP New York, NY SN 9780071768016 LK accesspediatrics.mhmedical.com/content.aspx?aid=1107527284 RD 2022/05/19 AB To obtain arterial blood for blood gas measurements.When blood is needed and venous or capillary blood samples cannot be obtained. Not preferred.To obtain ammonia levels. Venous blood can be used if it is collected, transported appropriately, and done quickly.To obtain lactate and pyruvate levels. Free-flowing arterial blood; stasis of blood increases lactate.