What are the types of supraventricular tachycardia (SVT) 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

Types of SVT include orthodromic tachycardia (down the AV nodal His-Purkinje system and retrograde conduction up an AP), orthodromic tachycardia with a concealed AP (retrograde conduction only), and antidromic tachycardia (down the AP and retrograde conduction up the His-Purkinje system and AV node). In patients with WPW in which the AP participates in the reentrant circuit, 95% of SVT is due to orthodromic tachycardia and 5% is due to antidromic tachycardia.


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