5th April 2024

A 36-year-old retail manager is brought in by ambulance with irritability and new onset confusion.

A 36-year-old retail manager is brought in by ambulance with irritability and new onset confusion. Of note, his wife tells you he had surgery six days ago to remove a pituitary macroadenoma and was fine until a couple of hours ago when he couldn’t remember his daughter’s name and put the kettle in the fridge. Initial blood tests show sodium 154 mmol/L. His previous renal function tests post-surgery was normal. What is the next step in his management?  

Select the SINGLE most appropriate option from the list below. Select ONE option only.