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患者女，64岁。因反复短暂晕厥5小时，于1991年11月18日急诊入院。发病前无服用特殊药物史。血压18/10.7kPa。神志清楚，颈静脉无怒张，肺（—），心率76次/分，早搏5～15次/分，各瓣膜听诊区未闻及杂音。血生化：钾4.6mmol/L、钠138mmol/L、氯103mmol/L、钙2.5mmol/L、镁0.98mmol/L、CO_2—CP24。0mmol/L。入院时出现胸闷、心悸、心电监护示窦性心律，ST段压低＞0.15mv，T波倒置，室性早搏，定性心动过速，予利多卡因50mg静脉推注。继后出现心室颤动，意识不清，呼吸浅馒，心音消失，血压测不到。即予胸外按压约2分种仍为室颤。经心前区拳击3下转夏窦性心律，神志转清，血压16/8kPa。5分钟后
Female patient, 64 years old. Due to repeated brief syncope 5 hours, in November 18, 1991 emergency admission. Before taking the disease without taking a special drug history. Blood pressure 18 / 10.7kPa. Consciousness, no jugular vein engorgement, lung (-), heart rate 76 beats / min, premature beats 5 to 15 beats / min, the valve auscultation area did not smell and noise. Blood biochemical: potassium 4.6mmol / L, sodium 138mmol / L, chlorine 103mmol / L, calcium 2.5mmol / L, magnesium 0.98mmol / L, CO_2-CP24.0mmol / L. Chest tightness, palpitations, ECG monitoring showed sinus rhythm, ST segment depression> 0.15mv, T wave inversion, premature ventricular contractions, and qualitative tachycardia on admission, and intravenous injection of lidocaine 50mg. Following the occurrence of ventricular fibrillation, unconsciousness, shallow breathing, disappearance of heart sounds, blood pressure can not be measured. That is about 2 minutes to chest compression is still ventricular fibrillation. By the heart before the boxing 3 Sinus rhythm, mind clear, blood pressure 16 / 8kPa. 5 minutes later