The drugs that induced AVB were chiefly circulation system drugs,autonomic nerve system drugs and central nervous system drugs,leading the list of which was dipyridamole,with33cases(14.6%),followed by propafenone,with25cases(11.06%).

• 引起AVB的药物种类以循环系统药、植物神经系统药及中枢神经系统药为主,其中以双嘧达莫引起的最多(33例,14·6%25),其次是普罗帕酮(25例,11·06%25)。