File:QT interval corrected for heart rate.png

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Summary

Description
English: QT interval corrected by heart rate, according to Bazett's formula,[1] Fridericia's formula,[2] and subtracting 0.02 s from QT for every 10 bpm increase in heart rate.[3] Up to 0.42 s (≤420 ms) is chosen as normal QTc of QTB and QTF in this diagram.[4]
Date
Source

Own work

References

  1. ↑ Bazett HC. (1920). "An analysis of the time-relations of electrocardiograms". Heart (7): 353–370.
  2. ↑ Fridericia LS (1920). "The duration of systole in the electrocardiogram of normal subjects and of patients with heart disease". Acta Medica Scandinavica (53): 469–486.
  3. ↑ Lesson III. Characteristics of the Normal ECG Frank G. Yanowitz, MD. Professor of Medicine. University of Utah School of Medicine. Retrieved on Mars 23, 2010
  4. ↑ Dr Dean Jenkins and Dr Stephen Gerred. A normal adult 12-lead ECG. ecglibrary.com. Retrieved on Jan 28, 2018
Author

Mikael Häggström.

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  • By Mikael Häggström, used with permission.

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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24 March 2010

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current13:51, 23 December 2021Thumbnail for version as of 13:51, 23 December 20211,231 × 879 (138 KB)wikimediacommons>Mikael Häggströmbpm

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