Septal Q waves in surface electrocardiographic lead V6 exclude minimal ventricular preexcitation.

@article{Bogun1999SeptalQW,
  title={Septal Q waves in surface electrocardiographic lead V6 exclude minimal ventricular preexcitation.},
  author={Frank M Bogun and Dietrich Kalusche and Yi-Gang Li and Sabine Auth-Eisernitz and Gerian C. Groenefeld and Stefan H. Hohnloser},
  journal={The American journal of cardiology},
  year={1999},
  volume={84 1},
  pages={101-4, A9}
}
Electrocardiograms of 37 consecutive patients with minimal preexcitation (i.e., PR >120 ms, QRS <120 ms) were compared before and after ablation with electrocardiograms of 37 age-matched patients with atrioventricular nodal reentrant tachycardia. The presence of a septal Q wave could be used to exclude minimal preexcitation with a high degree of reliability in both patients and controls before and after radiofrequency ablation. 

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