1资料介绍患者,男,23岁,因突然晕厥30min来诊,有心动过缓史。体检:重病容伴意识障碍,出现急性心源性脑缺氧综合征,BP:60/30mmHg,双肺呼吸音低,心率缓慢35次/min,血清酶学及生化检查正常,入院当晚死于室颤。心电图示:窦性心率,心率100次/min,P波与缓慢而规整的QRS波无固定关系,Q 1 data describes the patient, male, 23 years old, due to sudden syncope 30min to visit, history of bradycardia. Physical examination: serious illness accompanied by disturbance of consciousness, acute cardio-cerebral ischemia syndrome, BP: 60 / 30mmHg, lung breath sounds low, slow heart rate 35 beats / min, serum enzyme and biochemical tests were normal, died on the night of admission Ventricular fibrillation. ECG shows: sinus heart rate, heart rate 100 beats / min, P wave and slow and regular QRS wave without a fixed relationship, Q