Comparison of different methods for manual P wave duration measurement in 12-lead electrocardiograms.

@article{Dilaveris1999ComparisonOD,
  title={Comparison of different methods for manual P wave duration measurement in 12-lead electrocardiograms.},
  author={Polychronis Dilaveris and Velislav N. Batchvarov and John Gialafos and Marek Malik},
  journal={Pacing and clinical electrophysiology : PACE},
  year={1999},
  volume={22 10},
  pages={1532-8}
}
To determine whether different methods for the manual measurement of P wave duration are mutually consistent, we evaluated the intraobserver and interobserver errors of P wave measurements obtained in three different ways: (1) by cursor on a high resolution computer screen (on screen), (2) by calipers and a magnifying glass (on paper), and (3) by a high resolution digitizing board (on board). The agreement between the methods was assessed in 30 normal subjects and 30 patients with a history of… CONTINUE READING

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