Hyponatremia commonly occurs in patients with aneurysmal subarachnoid hemorrhage. Two mechanisms have been proposed as causes: syndrome of inappropriate anti-diuretic hormone and cerebral salt ...

The diagnosis of diabetes insipidus can be confirmed by continued hypotonic polyuria in the presence of hypernatremia and/or hyperosmolality. [8] Measurement of urine osmolality or specific ...

In rare diseases, rare mutations have long been thought of as the only contributor. Genetic analyses of people with such conditions now suggest that the effects of common genetic variants can ...