成年人P-R间期正常值是 A．0.11～0.20s B．0.12～0.20s

恬恬2020-05-20 28

问题成年人P-R间期正常值是A．0.11～0.20sB．0.12～0.20sC．0.08～0.20sD．0.10～0.20sE．0.06～0.10s

选项

答案B

解析

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