Objective:Studing the changes of the serum angiotensin I (AI)angiotensin II (A II ) atrial natriuretic factor (ANF) and aldosterone(ALD) levels in patients with essential hypertension, and its clinicalsignificiance.

• 目的 :探讨原发性高血压 (EH)患者血清血管紧张素I(AI)、血管紧张素II(AII)、心钠素(ANF)和醛固酮 (ALD)水平的变化及其临床意义。