综合分析选择题 目前临床上常用β受体拮抗剂类药物作为抗心律失常的重要药物。这类药物通过对抗兴奋心脏的作用，降低血压、减慢心率、减弱心肌收缩力，降低心肌耗氧量，临
A
普萘洛尔对β<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0.gif">受体和β<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0_1.gif">受体均有阻断作用 B
美托洛尔，为选择性的β<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0_2.gif">受体拮抗剂，其对β<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0_3.gif">、β<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0_4.gif">受体拮抗能力的比值约为3 C
倍他洛尔为较新的选择性β<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0_5.gif">受体拮抗剂 D
比索洛尔是一种高选择性的β<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0_6.gif">受体拮抗剂 E
拉贝洛尔，具有α<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0_7.gif">、β<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0_8.gif">、和β<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241013/22817224_0_9.gif">拮抗活性的药物
