accessory pathway
noun [ C ] medical specialized uk/əkˌses.ər.i ˈpɑːθ.weɪ/ us/əkˌses.ər.i ˈpæθ.weɪ/
副传导路径（一个连接心脏不同部分、影响心电系统的额外心电路径）
an extra electrical connection between one part of the heart and another that affects the heart's electrical system
accessory pathway tachycardia 副传导路径心动过速
The patient has been asymptomatic after ablation of the accessory pathway. 实施副传导路径消融术之后病人一直未出现症状。