题目内容
对普萘洛尔的抗心律失常作用，下述哪一项是错误的
2021-10-15
A.阻断β受体
B.降低儿茶酚胺所致的自律性升高
C.降低窦房结的自律性
D.延长房室结的ERP
E.促进房室结传导性
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