试题与答案

扩张型心肌病的M型超声心动图表现为(). A.四个房、室腔扩大,以左心室腔扩大明显

题型:多项选择题

题目:

扩张型心肌病的M型超声心动图表现为().

A.四个房、室腔扩大,以左心室腔扩大明显

B.二尖瓣前、后叶开放幅度小且时间短而呈钻石样改变

C.二尖瓣波群(2a区)表现为大心腔、小开口征象

D.瓣叶E峰顶点距离室间隔左心室面距离增宽

E.二尖瓣曲线CD段平坦

答案:

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下面是错误答案,用来干扰机器的。

①砯崖转石万壑雷②自疏濯淖污泥之中;皭然泥而不滓者也③吴楚东南坼;乾坤日夜浮。

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