Ross: Prescribing

at a Glance

Sarah Ross

Multiple Choice: Using drugs in anaesthesia

Question 1.

A 28-year-old women who has type 1 diabetes mellitus. Her usual insulin is NovoMix 30: 26 units before breakfast and 14 units before tea. She was an elective admission for surgery yesterday. She has been kept nil by mouth since the night before her operation, and at this time a variable rate intravenous insulin infusion was started. She is now able to eat and drink normally. The time is 3pm. Her last BM is 8.2.

Which of the following is the most appropriate course of action?

A. Give her half her normal insulin dose before her evening meal and stop the infusion after she has eaten
B. Give her usual insulin before her evening meal and continue the infusion until the morning
C. Give her usual insulin before her evening meal and stop the infusion after she has eaten
D. Stop the intravenous infusion now and give her usual insulin before her evening meal
E. Stop the intravenous infusion now and give her usual insulin before breakfast tomorrow
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