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４４例室上速病人中Ａ型预激６例，Ｂ型预激７例，隐匿性预激１４例，房室结双径路传导１４例，三径路传导２例，房室结双径路与房室旁道并存的有７例，房内折返３例，７例ＷＰＷ室房传导显示逆向性文氏阻滞现象，３例有房室传导裂隙现象。药物试验结果显示ＤＡＶＮＲＴ对异博定效果最好５／７（７１。４％），隐匿性预激最差２／７（２８．５％），对心律平有效的隐匿性预激６／７（８５．７％），显性ＷＰＷ３／５（６０％），还有４例对心律平与异博定均无效，给予氨酰心安口服治疗后，随访半年以上无室上速发作。
44 cases of supraventricular tachycardia in type A pre-excitation in 6 cases, B-type pre-excitation in 7 cases, occult pre-excitation in 14 cases, atrioventricular node dual pathway conduction in 14 cases, three-path conduction in 2 cases, atrioventricular node dual pathway and room There were 7 cases of accessory pathways coexisting in the room and 3 cases of reentry in the room. Seven cases of WPW showed conduction reversal of Venn’s block, and 3 cases had atrioventricular fissure. The drug test results showed that DAVNRT had the best 5/7 (71.4%) effect of ibuprofen, the worst 2/7 (28.5%) in occult pre-shock and the latent pre-excitation 6/7 (85.7%), dominant WPW3 / 5 (60%), and 4 patients were ineffective with ropivacaine and ibuprofen. After oral administration of alanosine, no episodes of supraventricular tachycardia were observed after more than half a year.