What is the left lateral pathway in EPS of 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

When retrograde atrial activation during tachycardia occurs over an AP that connects the left atrium to the left ventricle, the earliest retrograde activity is recorded from a left atrial electrode (usually positioned in the coronary sinus). This is a left lateral pathway.


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