这一类药物是60年代初发展起来的一种治疗心血管疾病的药物。其应用范围正日益扩大,国内临床也已开始应用。循环性儿茶酚胺的浓度与节律障碍有密切关系,而当心肌梗塞以后,儿茶酚胺的浓度是很高的,因之,用β——受体阻断药进行治疗是对症的。因为这类药可以抑制过量的儿茶酚胺的分泌,从而达到治疗目的。 This type of medicine is a treatment of cardiovascular disease developed in the early 60s. Its scope of application is expanding day by day, and domestic clinical applications have also begun. Circadian catecholamine concentrations and rhythm disorders are closely related, and when myocardial infarction, catecholamines concentrations are high, therefore, with β - blockers for treatment is symptomatic. Because these drugs can inhibit the secretion of excess catecholamines, so as to achieve the purpose of treatment.