27th May 2025

A 38-year-old woman presents to the endocrinology clinic with hypertension, on a background of a strong family history of hypertension and stroke.

A 38-year-old woman presents to the endocrinology clinic with hypertension, on a background of a strong family history of hypertension and stroke. Secondary hypertension is suspected, and she is seeking a confirmed diagnosis. Which of the following investigations is first line to characterise the cause of primary hyperaldosteronism?

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