下列哪项符合右房增大的心电图改变()
A.Ⅱ.Ⅲ.aVF导联P波双峰,峰间距≥0.04s B.P波时限>0.12s C.PⅡ.Ⅲ.aVF振幅≥0.25mV,P波高尖 D.Ptfv1绝对值为0.05mm·s E.P波形态圆钝,振幅在肢体导联<0.25mV,在胸导联<0.20mV正确答案C
下列哪项符合右房增大的心电图改变()
A.Ⅱ.Ⅲ.aVF导联P波双峰,峰间距≥0.04s B.P波时限>0.12s C.PⅡ.Ⅲ.aVF振幅≥0.25mV,P波高尖 D.Ptfv1绝对值为0.05mm·s E.P波形态圆钝,振幅在肢体导联<0.25mV,在胸导联<0.20mV正确答案C