The nurse is caring for a 27-year-old patient with a diagnosis of head trauma.The nurse notes that the patient's urine output has increased tremendously over the past 18 hours.The nurse suspects that the patient may be developing:

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Diabetes insipidus results in large volumes of urine; dehydration and hypovolemia can result.Head trauma and resulting increased intracranial pressure are potential causes of diabetes insipidus.High urine output following head trauma is associated with diabetes insipidus.Even though hyperosmolar hyperglycemic syndrome results in osmotic diuresis,the cause is a deficiency in insulin in type 2 diabetes,not head trauma.SIADH may occur with head trauma but results in reduced urine output and,potentially,hypervolemia.

The Nurse Is Caring for a 27-Year-Old Patient with a Diagnosis