6岁,心电图示窦性心律,心率95次/min,P-R间期逐渐延长。于第4个P波后不出现QRS波,心电图最可能的诊断A.一度房室传导阻滞B.一度房室传导阻...

作者: rantiku 人气: - 评论: 0
问题 6岁,心电图示窦性心律,心率95次/min,P-R间期逐渐延长。于第4个P波后不出现QRS波,心电图最可能的诊断
选项 A.一度房室传导阻滞 B.一度房室传导阻滞文氏型 C.二度房室传导阻滞莫氏型 D.三度房室传导阻滞 E.心室内差异传导
答案 B
解析

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