[Atypical presentation and diagnosis of a case of Gitelman syndrome in the adult. How to distinguish between Bartter syndrome?].

We described the case of a patient with 43 year-old, with Gitelman syndrome. The patient presented two epileptic crisis. The cranial computerized axial tomography (CT) was normal. In the seric and urinary analytic we found hypomagnesemia and hypermagnesuria with hypocalciuria. The patient was admitted in our Hospital, and with the administration of magnesium, the seric levels increased and the patient remained asymptomatic. In this article we describe the diagnosis of this infrequent disease, and the differential diagnosis with Bartter syndrome.