Discordant junctional beats and preexcitation: what is the mechanism?

  title={Discordant junctional beats and preexcitation: what is the mechanism?},
  author={Hussam Ali and Antonio Sorgente and Pierpaolo Lupo and Riccardo Cappato},
  journal={Circulation. Arrhythmia and electrophysiology},
  volume={8 4},
  • Hussam Ali, Antonio Sorgente, +1 author Riccardo Cappato
  • Published in
    Circulation. Arrhythmia and…
  • Medicine
  • An 18-year-old woman with Down syndrome and ventricular preexcitation was referred to our center for electrophysiological evaluation. She had no structural heart disease, and her 12-lead ECG showed minimal preexcitation. After obtaining an informed consent, an electrophysiology study was performed under conscious sedation. Via bilateral femoral veins, multipolar diagnostic catheters were introduced and positioned at the His bundle region and coronary sinus. A roving quadripolar catheter was… CONTINUE READING

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