Fig. 1From: Determination of adrenal hypersecretion in primary Aldosteronism without aldosterone-production adenomasPatient selection and distribution. Adrenal vein catheterization was considered successful when selectivity index (SI) was ≥2 without cosyntropin administration. Unilateral PA was diagnosed if lateralized index (LI) was ≥2. Abbreviation:PA, primary aldosteronism; AVS, Adrenal vein samplingBack to article page