Cerebral Salt Wasting Syndrome in an Elderly Patient With Traumatic Brain Injury: Diagnostic Challenges. A case report.

CSWS can present without volume depletion signs. Differentiation from SIADH is pivotal, as the therapeutic approaches vary considerably. In this group of patients with intracranial trauma, the prognosis may be worse due to the risk of recurrent severe hyponatremia. Despite treatment, fatal recurrence highlights the need for intensive outpatient follow-up and frequent sodium monitoring.