患者男性、41岁、活动后心悸、眼现黑朦(历时数秒),反复3月余。嗣后症状进行性加重而来就诊。发病前有上感发热史。超声检查未见异常,肝肾功能正常。心电图呈2∶1房室传导阻滞伴左束支阻滞。经控制心房率,自觉症状好转,房室阻滞暂时消失而出院。 Male patient, 41 years old, after the event palpitations, dark eyes (which lasted a few seconds), repeated more than three months. Later symptoms worsen and come to treatment. Before the onset of a sense of fever history. No abnormal ultrasound examination, liver and kidney function was normal. ECG showed 2: 1 atrioventricular block with left bundle branch block. After the control of atrial rate, subjective symptoms improved, atrioventricular block temporarily disappeared and discharged.