You are called to care for an elderly patient. The patient t…

You are called to care for an elderly patient. The patient takes insulin for diabetes and the family reports there has been no trauma. The patient has been getting worse for a week, and is now unconscious. During assessment you find the patient to be breathing 6 times per minute, the pulse is 130, and BP is 78/54. Identify the most important intervention while awaiting ALS arrival