题目内容
标准HI导联的连接方式是( )。
2022-01-10
A.左上肢为正极,右上肢为负极
B.左上肢为负极,左下肢为正极
C.右上肢为负极,右下肢为正极
D.右上肢为正极,左下肢为负极
E.左下肢为正极,右上肢为负极
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