• 2022-07-01
    符合右心房肥大的心电图改变是
    A: P波时限>0.12s
    B: Ptfv1绝对值为0.05mm·s
    C: PⅡ、Ⅲ、aVF振幅≥0.25mV,P波高尖
    D: Ⅱ、Ⅲ、aVF导联P波双峰,峰间距≥0.04s
    E: P波形态圆钝,振幅在肢体导联<0.25mV,在胸导联<0.20mV