问题
单项选择题 A3/A4型题
患者，女性，25岁。因劳力性心慌、气促2年，诊断为风湿性心脏病。超声心动图显示二尖瓣瓣膜轻度增厚，开放呈鱼嘴状，瓣口面积0.8cm2，腱索稍增粗，其他瓣膜正常。
其特征性的心电图表现应该是（）
A.双心室增大
B.左心房、右心室增大
C.左心房增大
D.左心房、左心室增大
E.左心房、左心室、右心室均增大
答案
参考答案：B
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患者，女性，25岁。因劳力性心慌、气促2年，诊断为风湿性心脏病。超声心动图显示二尖瓣瓣膜轻度增厚，开放呈鱼嘴状，瓣口面积0.8cm2，腱索稍增粗，其他瓣膜正常。
其特征性的心电图表现应该是（）
A.双心室增大
B.左心房、右心室增大
C.左心房增大
D.左心房、左心室增大
E.左心房、左心室、右心室均增大
参考答案：B
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| ( )1. How is your grandpa? ( )2. May I come in? ( )3. Are we all here? ( )4. How much are they? ( )5. Are you Mr Brown? ( )6. When's Spring Festival? ( )7. Where are the boys from? ( )8. What time is it now? ( )9. Can you tell me the way to Zhongshan Park? ( )10. what's thirtythree and sixty? | A. Two hundred yuan. B. Yes, I am. C. Sure. It's over there. D. It's in January or February. E. It's about nine thirty. F. Come in, please. G. It's ninety-three. H. No, Ping Ping is ill at home. I. Fine, thanks. J. They're from France |
