Rate-corrected QT interval: techniques and limitations.

  title={Rate-corrected QT interval: techniques and limitations.},
  author={Christian Funck-Brentano and P. Jaillon},
  journal={The American journal of cardiology},
  volume={72 6},
The duration of the QT interval on the surface electrocardiogram represents the time required for all ventricular depolarization and repolarization processes to occur. Among the many physiologic and pathologic factors that contribute to the QT interval, heart rate plays a major role. Several approaches have been used to correct the QT interval, all of which take into account the heart rate at which the interval is measured. The simplest and most common approach to correcting the QT interval is… CONTINUE READING

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