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Fluids and Electrolytes 

Fluids and Electrolytes
Chapter:
Fluids and Electrolytes
Author(s):

Desmond Bohn

DOI:
10.1093/med/9780199918027.003.0011
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date: 26 May 2022

This chapter provides essential information on the distribution of body water and key electrolytes (sodium and potassium) in children, including the extracellular and intracellular components of total body water. Guidelines are provided for the composition and volume of fluids needed to maintain homeostasis, including maintenance intravenous fluids and fluids needed for specific circumstances, such as postoperatively. Water and electrolyte compositions of commonly used intravenous fluids and electrolytes in body fluids are provided in table format. Approaches are also given for disorders of fluid and electrolyte balance, including etiology and treatment of those related to antidiuretic hormone secretion, hyponatremia, hypernatremia, hypokalemia, and hyperkalemia.

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