Question

A patient presents with hypertension, hypokalaemia, and metabolic alkalosis. Imaging reveals an adrenal adenoma consistent with Conn's syndrome. Which diagnostic test confirms autonomous aldosterone production?

Accepted Answer

Plasma renin activity and aldosterone ratio

Answer

High-dose dexamethasone suppression test

Answer

Low-dose dexamethasone suppression test

Answer

Adrenal venous sampling

Answer

CT scan of the adrenals

Practice question

A patient presents with hypertension, hypokalaemia, and metabolic alkalosis. Imaging reveals an adrenal adenoma consistent with Conn's syndrome. Which diagnostic test confirms autonomous aldosterone production?