氨氯地平（amlodinine）属于二氢吡啶类钙拮抗剂，它是作用较强的外周血管和冠状动脉舒张药，对血管平滑肌有高度的选择性，但对心肌的收缩性和心脏传导几乎无影响。po后该药吸收较慢，作用持续时间长，其半衰期为36～45h。氨氯地平已被美国FDA批准用于高血压、慢性持续性。已 Amlodinine, a dihydropyridine calcium antagonist, is a well-acting peripheral and coronary vasodilator with a high degree of selectivity for vascular smooth muscle but has little effect on myocardial contractility and cardiac conduction . After po po slow absorption of the drug, the role of long duration, the half-life of 36 ~ 45h. Amlodipine has been approved by the U.S. FDA for high blood pressure and chronic persistence. Already