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[object Object],35 y/o female with palpitation. Normal structural heart What’s the mechanism?
[object Object],35 y/o female with palpitation. Normal structural heart What’s the mechanism?  Ans: Atypical AVNRT APC (red arrow) initiates Fast-slow AVNRT
Case 1 Atypical AVNRT VPC (red arrow) initiates Fast-slow AVNRT; retrograde through slow pathway and antegrade through fast pathway.
Case 1
Case 1 Ans: Typical AVNRT VPC (red arrow) initiates slow-fast AVNRT; retrograde through fast pathway and antegrade through slow pathway.

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SVT 2

  • 1.
  • 2.
  • 3. Case 1 Atypical AVNRT VPC (red arrow) initiates Fast-slow AVNRT; retrograde through slow pathway and antegrade through fast pathway.
  • 5. Case 1 Ans: Typical AVNRT VPC (red arrow) initiates slow-fast AVNRT; retrograde through fast pathway and antegrade through slow pathway.

Editor's Notes

  1. Ans: Atypical AVNRT APC (red arrow) initiates Fast-slow AVNRT
  2. Ans: Atypical AVNRT VPC (red arrow) initiates Fast-slow AVNRT; retrograde through slow pathway and antegrade through fast pathway.
  3. Ans: Typical AVNRT VPC (red arrow) initiates slow-fast AVNRT; retrograde through fast pathway and antegrade through slow pathway.
  4. Ans: Typical AVNRT VPC (red arrow) initiates slow-fast AVNRT; retrograde through fast pathway and antegrade through slow pathway.