Where would the world be without insulin?While working in the hospital you will be giving insulin . . . a lot!When stressed and during illness the blood sugars will elevate as a result of increased cortisol secretion and alterations in general metabolic processes.Due to this many patients will be on insulin or at least on blood sugar checks. Â For your DKA patient you will be checking BS as frequently as every few minutes.Todayâs cheatsheet is designed to help you with some of the most critical information regarding insulin. Â While itâs not common to mix insulins anymore (due to pens) it is still something that you will be tested on and should be familiar with.