22nd June 2021

A 40-year-old woman presents to her GP with intermittent tingling and pain

A 40-year-old woman presents to her GP with intermittent tingling and pain affecting the lateral 3½ digits of both hands. On further questioning, she reports having put on weight recently despite a reduced appetite. She has no past medical history and takes no medication.

Which of the following would be the most useful first-line investigation?

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