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1983年7月～1986年7月对临床证实有持续性室性心动过速(VT),并可在电生理检查中诱发出来者进行研究。根据对静脉异搏定(0.15mg/kg负荷量后0.005mg/kg静脉滴注)的反应,将病人分为3组,IA组10例,VT可被心室程序刺激诱发和被心室超速起搏终止,异搏定无效;IB组11例,VT可被静脉滴注异丙肾上腺素(3～8μg/min)诱发,而不能用心室程序刺激诱发,不能被心室超速刺激终止,异搏定无效;Ⅱ组12例,当窦性心律和心房或心室起搏增
From July, 1983 to July, 1986, there was clinical evidence of persistent ventricular tachycardia (VT), which could be induced in electrophysiological examination. Patients were divided into 3 groups according to the response to intravenous verapamil (0.15 mg / kg intravenous drip at 0.15 mg / kg), and 10 patients in the IA group. VT was induced by ventricular stimulation and was pacing by ventricular pacing VT was ineffective; IB group of 11 patients, VT can be induced by intravenous infusion of isoproterenol (3 ~ 8μg / min), and can not be induced by ventricular stimulation, ventricular tachycardia can not be terminated, verapamil invalid ; Group Ⅱ 12 cases, when sinus rhythm and atrial or ventricular pacing increased