TY - CHAP M1 - Book, Section TI - Arterial Access: Arterial Puncture A1 - Gomella, Tricia Lacy A1 - Eyal, Fabien G. A1 - Bany-Mohammed, Fayez PY - 2020 T2 - Gomella's Neonatology: Management, Procedures, On-Call Problems, Diseases, and Drugs, 8e AB - To obtain blood for arterial 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, but because ammonia levels in peripheral venous blood can be affected by many variables, arterial blood is preferred.To obtain lactate and pyruvate levels. Free-flowing arterial blood; stasis of blood increases lactate.To obtain a large quantity of blood that would be difficult to obtain from a peripheral vein. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1168356230 ER -