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患者,男,56岁。因阵发性心前区疼痛,胸闷10年余,近2年加重,拟诊冠心病。于1988年4月12日入院。入院后ECG示窦性心律,HR80次,QT间期0.32s,QTc0.33s。血钾4.0mmol/L。血、尿常规、肝肾功能、胸片、UCG及踏车负荷试验、双倍二阶梯运动试验均正常。给复方丹参、潘生丁、维脑路通等药后,上述症状自觉减轻。5月20日凌晨突发心悸、胸闷、ECG示房颤,15min后予心律平35mg+50％GS20ml静脉缓注,因无效,5min后重复上述剂量静脉缓注,当注入约16ml时(总量63mg),患者感头晕、心悸、神志恍惚,面色苍白、全身冷汗、眼睛发黑,尿失禁、呼吸不整、心音消失、心电监护示典型尖端扭转型室性心动过速(简称
Patient, male, 56 years old. Due to paroxysmal pain in the anterior pituitary, chest tightness more than 10 years, nearly 2 years aggravating, diagnosis of coronary heart disease. Admitted to hospital on April 12, 1988. After admission ECG showed sinus rhythm, HR80 times, QT interval 0.32s, QTc0.33s. Potassium 4.0mmol / L. Blood, urine, liver and kidney function, chest radiograph, UCG and treadmill load test, double two-step exercise test were normal. To compound Danshen, dipyridamole, Venoruton and other drugs, the above symptoms relieved. May 20 morning sudden heart palpitations, chest tightness, ECG showed atrial fibrillation, after 15min to rhythm level 35mg + 50% GS20ml intravenous slow, due to ineffective, 5min after the above dose intravenous slow, when about 16ml injection 63mg), patients with dizziness, palpitations, trance, pale, cold sweat, black eyes, urinary incontinence, respiratory failure, heart sound disappeared, ECG monitoring showed typical torsades de pointes ventricular tachycardia