SIADH is characterized by decreased serum osmolality with inappropriate urinary concentration (Larsen et al., 2003). ADH acts on the distal collecting duct tubules resulting in increased water ...

HYPONATREMIA has been observed repeatedly ... The water diuresis was accompanied by a sudden drop in the urine osmolality to a low value of 141 milliosmols per liter (seventeenth day, Fig.

Signs and symptoms associated with hyponatremia are secondary to cellular hypo-osmolality. Fever, headache, nausea and vomiting, muscle cramps weakness, and confusion occur when serum sodium ...