患者，女性，65岁。近来出现头昏、乏力，易疲倦，活动后气促，听诊发现心音脱漏，脉搏也相应脱漏，心室率缓慢，诊断为Ⅱ度房室传导阻滞，宜选用的治疗药物是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30247' and id < 2446821 and id<>'2446821' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30247' and id > 2446821 and id<>'2446821' order by id asc limit 5