右心室肥大是一种心脏症状。当肺动脉狭窄、心室中膈缺损主动脉跨于心室中膈上方时,右心室拼命想将血液送往肺动脉,经年累月,心肌变得肥厚,即形成右心室肥大。

心电图

右心室肥大最明显的症状就是心尖波动向左侧移动,在心电图中表现为:

  • 电压:
    • V1导R/S≥1
    • V5导R/S≤1
    • VR导R/S或R/q≥1
    • Rv1+Sv5>1.05mv
    • RaVR>0.05mv
  • 心电轴右偏
  • 继发ST-T改变

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