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题目类型:[多选]
[多选] 窦性心律时,心电图上P波应具备的条件是( )
A
P—P间隔为0.8s
B
Ⅱ、Ⅲ、aVF导联的P波直立、aVR倒置
C
Ⅱ、Ⅲ、aVF导联的P波倒置、aVR直立
D
P波时限0.10s
E
P—R间期<0.12s
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