TY - CHAP M1 - Book, Section TI - Hyponatremia 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 - An infant has a serum sodium of 127 mEq/L, below the normal accepted value of 135 mEq/L.Hyponatremia, defined as a low sodium, is the most common electrolyte disorder in neonates. It occurs in approximately 33% of very low birthweight infants and is seen in up to 65% of very sick neonates. It is controversial as to what level of sodium constitutes hyponatremia in neonates. In adults, a level <135 mEq/L is considered hyponatremia; in neonates, various levels have been quoted (from <130 mEq/L to <136 mEq/L). Most sources agree that hyponatremia in neonates is defined as a serum sodium <135 mEq/L. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1168356902 ER -