SIADH hyponatremia
less than 137
SIADH Decreased serum osmolality
less than 275
SIADH Sp gravity
> 1.030
DI sp gravity
LESS than 1.007
DI increased serum osmolality
more than 300
tumor staging 0
in situ non invasive
tumor staging 1
limited to tissue of origin localized tumor growth
tumor staging 2
limited local spread
Tumor staging 3
extensive local and regional spread
Tumor staging 4
metastasis
SIADH fluid restriction
800-1000 ml/day
DI hypernatremia
> 147