心电图示:窦性心律不齐,心率97次/分,PR间期0.11s,QT间期0.34s,QRS时限0.66s,QRS电压正常。电轴66 °。T:V1导联倒置、V3双向。心电图示:窦性心律,心率94次/分,PR间期0.94s,QT间期0.30s,电轴+ 92 °,QRS:Ⅲ、aVF导联可见Q波,其Q波>同导联1/4R波。心电图示:窦性心动过速,心率162次/分,PR间期0.10s,QT间期0.26s,QRS:Ⅰ导呈rS型,呈qR型、电轴+113°. ......