问题
单项选择题 案例分析题
男性，60岁，有慢性支气管炎、阻塞性肺气肿病史10余年，近3年来反复双下肢水肿，此次病情加剧，唇发绀、神志恍惚，双下肺闻及干、湿啰音，心率120/min，有期前收缩。
对诊断慢性肺源性心脏病最有意义的ECG检查结果应是（）
A.V1R/S>1
B.肢体导联P波低平
C.肢体导联低电压
D.逆钟向转位
E.电轴左偏
答案
参考答案：A
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男性，60岁，有慢性支气管炎、阻塞性肺气肿病史10余年，近3年来反复双下肢水肿，此次病情加剧，唇发绀、神志恍惚，双下肺闻及干、湿啰音，心率120/min，有期前收缩。
对诊断慢性肺源性心脏病最有意义的ECG检查结果应是（）
A.V1R/S>1
B.肢体导联P波低平
C.肢体导联低电压
D.逆钟向转位
E.电轴左偏
参考答案：A
Hello, I’m Robert Croft. I don’t have many 1 at home. In my room, for example, I can do 2 I want to do. Mom thinks it’s OK. My favorite pop 3 is Take Four. I can play 4 music loudly, but sometimes Mom is not happy about this. I have a TV in my room. 5 Monday to Friday, I usually don’t watch TV. But if I 6 to watch TV, I have to do my homework first. “7 comes first.” On weekends, I can watch TV till 11 o’lock. On Sundays, I do some 8. I clean my room. It only takes me half an hour, so it’s not too 9 . But Mom often has a lot of housework to do, so I have to 10 her. When we have time, we go shopping.
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