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English definition of “accessory pathway”

accessory pathway

noun [C] uk   /ækˌses.ə.riˈpɑːθ.weɪ/ us    /ækˈses.ə.ri ˈpæθ.weɪ/ specialized
an extra electrical connection between one part of the heart and another that affects the heart's electrical system: accessory pathway tachycardia The patient has been asymptomatic after ablation of the accessory pathway.
(Definition of accessory pathway from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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