A 27-year-old man develops intense thirst and polyuria 1 week after a traumatic brain injury. Serum sodium is 151 mEq/L, serum osmolality is elevated, and urine osmolality is low. During a water deprivation test, urine remains dilute but becomes concentrated after desmopressin administration. Which of the following is the most likely diagnosis?
- A)SIADH
- B)Central diabetes insipidusGABARITO
- C)Nephrogenic diabetes insipidus
- D)Primary polydipsia
- E)Cerebral salt wasting
Explicação
Central DI is caused by deficient ADH secretion. Desmopressin corrects the defect by replacing ADH activity. Ver explicação completa e trilha adaptativa →