22nd June 2023

A 26-year-old female with a background of type 1 diabetes presents to the Emergency Department with generalised abdominal pain and vomiting.

A 26-year-old female with a background of type 1 diabetes presents to the Emergency Department with generalised abdominal pain and vomiting. She is hypotensive with a blood pressure of 87/42 mmHg. She had recently been started on levothyroxine for hypothyroidism.

Which of the following arterial blood gas results taken on room air would be most in keeping with the likely underlying diagnosis?

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