题目内容
诊断室速最有力的心电图证据是
2021-09-17
A.心率140～200次/分
B.R－R大于P－P(房室分离)
C.QRS波群增宽大于0.12s
D.出现心室夺获或室性融合波
E.节律整齐或轻度不齐
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