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作者比较分析了20例无药状态下不能诱发出心动过速的旁道患者与20例诱发出心动过速旁道患者的电生理试验资料。研究组中14例使用异丙肾上腺素或阿托品后立即重复电生理试验,其中7例诱发出心动过速,诱发出心动过速的原因是正常房室传导系统顺传功能的改善。对旁道逆传功能不佳的患者仍难以诱发出心动过速。
The authors compared the electrophysiological data of 20 patients with bypass without induced tachycardia and 20 patients with induced tachycardia. Fourteen patients in the study group repeated the electrophysiological test immediately after using isoproterenol or atropine, 7 of which induced tachycardia and the reason for the tachycardia induced by the normal atrioventricular conduction system. In patients with poor bypass function is still difficult to induce tachycardia.