Effects of Procainamide and Quinidine Sulfate in the Wolff‐Parkinson‐White Syndrome

@article{Sellers1977EffectsOP,
  title={Effects of Procainamide and Quinidine Sulfate in the Wolff‐Parkinson‐White Syndrome},
  author={T. Duncan Sellers and Richard W. Campbell and Thomas M. Bashore and John J. Gallagher},
  journal={Circulation},
  year={1977},
  volume={55},
  pages={15–22}
}
SUMMARYThirty-three patients with Wolff-Parkinson-White syndrome were studied electrophysiologically before and after administration of intravenous procainamide and oral quinidine sulfate. Procainamide prolonged the shortest R-R (SRR) interval between two consecutive pre-excited beats during atrial fibrillation 20–70 msec in 15 of 21 patients with no change observed in 6 of 21 patients. Quinidine sulfate prolonged the SRR 20–170 msec in all 16. In 14 of 18 patients where procainamide and… 

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