A 57-year-old female is brought in by
her relations to the casualty unit. She has no past medical history of note.
Her blood glucose level is 1.3 mmol
She is given intravenous glucose and
regains consciousness. Subsequently her blood is analysed by the biochemistry
laboratory and her insulin level is found to be 56 pmol/L (<21pmol/L)
In this patient which of the following
investigations would you undertake next?
CT scan of her abdomen
MRI of her abdomen
Insulin C-peptide levels