29th May 2025

A 60-year-old man with type 2 diabetes mellitus presents to the emergency department with altered mental status, severe dehydration, and a blood glucose level of 700mg/dL.

A 60-year-old man with type 2 diabetes mellitus presents to the emergency department with altered mental status, severe dehydration, and a blood glucose level of 700mg/dL. His plasma osmolarity is 330mOsm/L, with normal ketones and a potassium of 4.5 mmol/L. He is given a bolus of 1L of 0.9% saline and then started on an infusion at 250 ml/hr. What else must be done for this patient?

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