问题
单项选择题
M型超声心动图示二尖瓣前叶收缩期C-D段上抬呈SAM征见于（）
A.肥厚型心肌病
B.扩张型心肌病
C.限制型心肌病
D.二尖瓣脱垂
E.左房黏液瘤
答案
参考答案：A
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M型超声心动图示二尖瓣前叶收缩期C-D段上抬呈SAM征见于（）
A.肥厚型心肌病
B.扩张型心肌病
C.限制型心肌病
D.二尖瓣脱垂
E.左房黏液瘤
参考答案：A
| 完形填空。 | |||
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