Highlights	Class of Recommendation	Level of Evidence
•PA entails a heterogeneous group of common sporadic forms and rarer familial forms.	I	A
•Its prevalence varies according to the cohort of hypertensive patients studied, on the whole between 5.9% and 20%.	I	B
•Familial forms are rare and mostly characterized by autosomal dominant transmission.	I	A
•Sporadic forms comprise surgically curable unilateral causes (aldosterone-producing adenoma and unilateral hyperplasia) and medically treatable bilateral adrenal hyperplasia.	I	A
•Despite the high prevalence of PA only 1–2% of hypertensive patients are screened for it.	II	B