Question

A 55-year-old man with long-standing hypertension presents with spontaneous hypokalaemia and resistant blood pressure on three agents. Which screening test is most appropriate for primary aldosteronism?

Accepted Answer

Aldosterone-renin ratio

Answer

Plasma renin activity alone

Answer

24-hour urinary cortisol

Answer

Overnight dexamethasone suppression test

Answer

CT abdomen

Practice question

A 55-year-old man with long-standing hypertension presents with spontaneous hypokalaemia and resistant blood pressure on three agents. Which screening test is most appropriate for primary aldosteronism?