右心室肥大是一種心臟症狀。當肺動脈狹窄、心室中膈缺損主動脈跨於心室中膈上方時,右心室拼命想將血液送往肺動脈,經年累月,心肌變得肥厚,即形成右心室肥大。

心電圖

右心室肥大最明顯的症狀就是心尖波動向左側移動,在心電圖中表現為:

  • 電壓:
    • V1導R/S≥1
    • V5導R/S≤1
    • VR導R/S或R/q≥1
    • Rv1+Sv5>1.05mv
    • RaVR>0.05mv
  • 心電軸右偏
  • 繼發ST-T改變

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