Abstract

Classically it is known that 95% of patients with hypertension the etiology are unknown (primary hypertension), in 5% remaining patients, hypertension develops secondary to another disease. It is also a classic knowledge that, the most common cause of secondary hypertension is primary hyperaldosteronism and this disease contains 1 -2% of hypertensive population. However, recent researches have shown that primary hyperaldosteronism more frequent than formerly thought and it could