预激综合征(WPW)合并室上性心动过速用常规治疗方法有一部分病例可以及时控制,但仍有部分严重病例则较难立即控制发作。作者自1984年～1987年对此类病例应用大剂量异搏定静脉注射方法治疗,共收治20例,疗效满意。现介绍如下: 病例选择本组20例采用大剂量异搏定治疗者均符合下列标准: 一、室上速发作前心电图符合预激综合症的改变。即P—R间期∨0.12秒; WPW combined with supraventricular tachyarrhythmia with conventional treatment of some cases can be controlled in time, but there are still some serious cases are more difficult to immediately control the attack. Authors from 1984 to 1987, such cases of high-dose verapamil intravenous injection therapy, a total of 20 cases were treated with satisfactory results. Are introduced as follows: Case Selection The group of 20 patients treated with high-dose verapamil are in line with the following criteria: First, the pre-SVH ECG in line with pre-excitation syndrome changes. That is, P-R interval ∨0.12 seconds;