5) A 52 year-old woman with COPD presents to the ER with new-onset seizure. Exam includes BP 125/60 P 74 with moist mucous membranes and no edema. Her serum Na is 110, serum osmolality 251, urine Na 90, and urine osmolality 710.

• 5) A 52 year-old woman with COPD presents to the ER with new-onset seizure. Exam includes BP 125/60 P 74 with moist mucous membranes and no edema. Her serum Na is 110, serum osmolality 251, urine Na 90, and urine osmolality 710.

• The best options for treating his hyponatremia is?

• 0.9% NS

• 3% NA

• Free water restriction

• Hydrocortisone

• No treatment