RT Book, Section A1 Goka, Selasie Q. A1 Clark, Stephanie L. A2 Shah, Samir S. A2 Ronan, Jeanine C. A2 Catallozzi, Marina A2 Frank, Gary SR Print(0) ID 1185343737 T1 Fluids and Electrolytes T2 The Philadelphia Guide: Inpatient Pediatrics, 3e YR 2022 FD 2022 PB McGraw Hill PP New York, NY SN 9781260117882 LK accesspediatrics.mhmedical.com/content.aspx?aid=1185343737 RD 2023/09/23 AB Total body water (TBW): 60% of total body weight (higher in newborns, up to 70%)Intracellular Fluid (ICF): Two-thirds of TBW or 40% of total body weightExtracellular Fluid (ECF): One-third of TBW or 20% of total body weightInterstitial space: 75% of ECFVascular space or plasma: 25% of ECFPredominant electrolytes in intracellular fluid compartment: Potassium and magnesiumPredominant electrolytes in ECF compartment: Sodium, chloride, and bicarbonate