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虽然慢通道的钙阻滞剂(Ca-BD)化学结构不同,但它们的共同特点是在心肌和血管组织激动时能减慢钙内流。在全身动脉扩张,心肌收缩力受抑制和窦房结自律性与房室(AV)交界传导性下降方面,它们的差异程度相当大,因而决定了它们各自在临床的使用和产生不同的付作用。对于慢性稳定性心绞痛(CSA)的作用,硫氮(艹卓)酮
Although slow-pathway calcium blockers (Ca-BDs) have different chemical structures, their common feature is their ability to slow calcium influx when myocardium and vascular tissue become agitated. They differ widely in systemic arterial dilatation, inhibition of contractile force of the myocardium, and decreased conduction between the sinus node autonomy and the atrioventricular (AV) junction, thus determining their respective clinical utility and resulting in different payoffs . For the role of chronic stable angina (CSA), thiamin