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患儿男,9岁。因反复晕厥8次而入院,未见抽搐。近期无感染史。无癫痫家属史。血压110/70,神志清楚。无紫绀,颈静脉不怒张,心界向左扩大。心率50～70次/分,心律不齐。胸骨左缘第二肋间有Ⅲ级SM,P_2 亢进,固定性分裂。X 线胸片示肺血增多,肺动脉段隆起,右室增大,超声心动图示右室容量负荷过重。神经系统检查无异常发现。入院心电图多数呈2∶1房室传导阻滞(A-VB)。即以临时起搏治疗,并口服强的松30mg/天.共40天。但心脏大小,杂音及心电图均无明显改变。撤临时起搏后A-VB 程度不变(5∶4—3∶2—2∶1)。心电图分析:本例体征及有关检查完全符合先心病房间隔缺损。有关A-VB 分析于下:1.(附图1)上条、中条示3∶2～2∶1文氏现
Children male, 9 years old. Due to repeated syncope 8 times admitted, no convulsions. No recent history of infection. No family history of epilepsy. Blood pressure 110/70, conscious. No cyanosis, jugular vein does not anger, heart left to expand. Heart rate 50 ~ 70 beats / min, arrhythmia. Sternal left margin of the second intercostal grade SM, P 2 hyperthyroidism, fixed division. X-ray showed increased lung blood, pulmonary artery segment uplift, right ventricular enlargement, echocardiography right ventricular volume overload. Nervous system examination found no abnormalities. The majority of admission ECG showed 2: 1 atrioventricular block (A-VB). That the temporary pacing therapy, and oral prednisone 30mg / day. A total of 40 days. However, heart size, noise and ECG did not change significantly. A-VB level after pacing withdrawal unchanged (5: 4-3: 2-2: 1). ECG analysis: This case signs and related tests in full compliance with preoperative ventricular septal defect. About A-VB analysis in the next: 1. (Figure 1) on the article, the bar shows 3: 2 ~ 2: 1 Wen’s is