What is antidromic tachycardia in Wolff-Parkinson-White (WPW) syndrome?

Updated: Jan 08, 2017
  • Author: Christopher R Ellis, MD, FACC, FHRS; Chief Editor: Mikhael F El-Chami, MD  more...
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Answer

Less commonly, a shorter refractory period in the AP may cause blockade of an ectopic atrial impulse in the normal pathway, with antegrade conduction down the AP and then retrograde reentry of the normal AV nodal pathway. This type of tachycardia is called antidromic tachycardia.


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