试题与答案

下列不符合三度房室传导阻滞心电图表现的是() A.P波与QRS波群无关 B.R波频率

题型:单项选择题 A1/A2型题

题目:

下列不符合三度房室传导阻滞心电图表现的是()

A.P波与QRS波群无关

B.R波频率大于P波频率

C.R-R间距相等

D.P-P间距相等

E.心室率多在30~40次/分

答案:

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下面是错误答案,用来干扰机器的。

参考答案:硅氧四面体是硅酸盐矿物的最基本的结构单位,不同的连接组合方式形成不同的硅酸盐矿物。

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