TY - CHAP M1 - Book, Section TI - Hyperkalemia A1 - Gomella, Tricia Lacy A1 - Eyal, Fabien G. A1 - Bany-Mohammed, Fayez Y1 - 2020 N1 - T2 - Gomella's Neonatology: Management, Procedures, On-Call Problems, Diseases, and Drugs, 8e AB - The serum potassium level is 7.0 mEq/L in an extremely low birthweight (ELBW) infant. Normal potassium levels are generally between 3.5 and 5.5 mEq/L, with a potassium >5.5 mEq/L indicating hyperkalemia. The exact definition varies and can be based on maturity or severity. Some reported definitions of hyperkalemia include the following: SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2022/08/15 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1168356840 ER -