Effect of 1 L infusion in 70-kg male w/ [Na]serum 110 mEq/L & Uosm 616 mOsm/kg 0.9% NaCl 154 mEq/L No UOP +1.0 mEq/L Infused Na excreted-1.3 mEq/L 3% NaCl 513 mEq/L No UOP: +9.4 mEq/L Infused Na excreted+1.8 mEq/L
