美多心安是国外七十年代上市的一种选择性β-受体阻滞剂,据统计自1974年至1978年已有21个国家25万多人使用过此药。其主要用途为治疗高血压症,但有很多国家已将其作为心绞痛的长期治疗药应用。美多心安的疗效大致与心得安相当,但其特点是能选择性地作用于β_1受体,每日服用 The United States and more peace of mind is a Selective Selective β-blockers listed abroad in the 1970s, according to statistics from 1974 to 1978, 21 countries have more than 250,000 people used the drug. Its main use for the treatment of hypertension, but many countries have its long-term treatment of angina pectoris application. Therapeutic effect of the United States and more peace of mind roughly Equivalent, but its characteristics can selectively act on the β 1 receptor, taking daily