问题
单项选择题
阵发性室上性心动过速与窦性心动过速的鉴别点，不正确的是（）
A.前者的QRS时限>0.12s
B.前者可突起骤停
C.前者的心房率常为150～240／min，绝对匀齐
D.前者常有室上性早搏
E.前者的P′波常与窦性心动过速的P波不同
答案
参考答案：A
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阵发性室上性心动过速与窦性心动过速的鉴别点，不正确的是（）
A.前者的QRS时限>0.12s
B.前者可突起骤停
C.前者的心房率常为150～240／min，绝对匀齐
D.前者常有室上性早搏
E.前者的P′波常与窦性心动过速的P波不同
参考答案：A
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