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患者男性,8岁,反复频繁活动后心悸。临床诊断:先天性心脏病。心脏X线三位片示:右位心伴右心室扩大,二维超声心动图检查示:镜像右位心伴右心室肥大。心电图示(附图为1/2电压)窦性P波顺序发生,P-P 0.72—0.88s,P-R=0.18s,QRS时间0.12s,心电轴约+30°。P波Ⅰ、Ⅱ、aVF、V_(3,5)倒置,Ⅲ、aVR、V_1、V5R直立,aVL平坦,V_2双相。QRS波群:Ⅰ呈rsR’,aVL呈QR,R/Q>1,Ⅱ呈Rs,Ⅲ
Male patient, 8 years old, repeated palpitations after frequent activities. Clinical diagnosis: congenital heart disease. Cardiac X-ray showed: right centripetal with right ventricular enlargement, two-dimensional echocardiography showed: mirror right concentric with right ventricular hypertrophy. Electrocardiogram (with 1/2 voltage in the figure) of sinus P wave occurred in sequence, P-P 0.72-0.88s, P-R = 0.18s, QRS time 0.12s, ECG axis + 30 °. P wave Ⅰ, Ⅱ, aVF, V_ (3,5) inversion, Ⅲ, aVR, V_1, V5R upright, aVL flat, V_2 biphasic. QRS complex: Ⅰ was rsR ’, aVL was QR, R / Q> 1, Ⅱ was Rs, Ⅲ