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例1.男患,39岁,农民。胆总管结石术前常规检查而作心电图,示以I、V_3导联,P波顺序规则发生,IP_(1、3.5)及V_3P_(1、3、5、7、)后QRS波正常,P—R间期0.23秒,IR_(2、4、6)及V_3R_(2、4、6、8)宽大畸形,类似室性早搏二联律,但均发生于P波后,P—R间期0.10秒,R波起始段粗钝缓慢上升,呈典型δ波。心电图诊断:1.窦性心律伴Ⅰ度AVB,2.间歇性心室预激。例2.男患,22岁,药剂士。常有阵发性室上速发作。V_1导联连续描记,P波顺序发生,基本均齐,除R_(3、9、12、15)呈宽大Rs型,QRS时间0.13秒起始部
Male patient, 39 years old, farmer. Common cholecystolithiasis was performed routinely before electrocardiogram, showing that I and V_3 lead, P wave sequential rules, normal QRS wave after IP_ (1,3.5) and V_3P_ (1,3,5,7), normal P- R interval of 0.23 seconds, IR_ (2,4,6) and V_3R_ (2,4,6,8) large deformity, similar to premature ventricular bicarbonation, but all occurred in the P wave, the P-R interval 0.10 S, the beginning of R-wave starts slowly and steadily with a typical δ-wave. ECG diagnosis: 1. sinus rhythm with degree AVB, 2. intermittent ventricular pre-excitation. Example 2. Male suffering, 22 years old, pharmacist. Often paroxysmal supraventricular tachycardia attack. V_1 lead continuous tracing, P wave occurred in order, basically homogeneous, except R_ (3,9,12,15) was a large Rs type, QRS time 0.13 seconds start