Bilateral Renal Artery Stenosis

Key points

• Bilateral renal artery stenosis Coarctation of the aorta Phaeochromocytoma Primary hyperaldosteronism Primary hyperaldosteronism can present with hypertension, hypernatraemia,
• Bilateral renal artery stenosis
• Primary hyperaldosteronism
• Primary hyperaldosteronism can present with hypertension,
• hypokalaemia and a metabolic alkalosis · note that sodium is usually NORMAL or only high-normal, not frankly raised — aldosterone-driven sodium retention is offset by pressure natriuresis and water retention, so overt hypernatraemia is not a typical feature.