Serum osmolality, electrolytes, and uric acid, along with urine osmolality and electrolytes, are useful in distinguishing CSW from SIADH. Serum hematocrit, uric acid, and urine uric acid may also ...

C.L. is a 37-year-old female admitted to the NCCU with a SAH resulting from the rupture of an anterior communicating artery aneurysm, grade 2. Upon admission she was loaded with phenytoin ...