However, there was no associated lowering of urine osmolality. Hyponatremia indicates dilution of sodium in extracellular water, and is almost always evidence of reduction of the concentration of ...

along with urine osmolality and electrolytes, are useful in distinguishing CSW from SIADH. Serum hematocrit, uric acid, and urine uric acid may also be helpful. In this scenario, C.L.'s hematocrit ...