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上行常规导联P波清晰可辨,落在前一搏动T波的终末,为窦性P波,其P-P间期为0.37s,频率165次/min,P-R间期0.17s(正常最高值为0.12s),QRS时间增宽达0.14s(胸导联明显),Ⅰ、aVL呈rS型,两者S波的电压相等,Ⅱ、Ⅲ、aVF呈R型,电轴+140°,aVR呈qR型,q/R1,R波电压0.7mV,V1呈Rs型,R波电压
Upward routine lead P wave is clearly discernible, fall in the end of the previous beat T wave, sinus P wave, the PP interval was 0.37s, the frequency of 165 beats / min, PR interval of 0.17s (normal maximum (0.12s). QRS time was increased by 0.14s (the thoracic lead was obvious), Ⅰ, aVL was rS type, the voltage of S wave was equal, the type Ⅱ, Ⅲ, aVF were R type, the axis was + 140 °, aVR Was qR type, q / R1, R wave voltage 0.7mV, V1 was Rs type, R wave voltage