File:QT interval corrected for heart rate.png

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
Source: Wikipedia, the free encyclopedia.

Original file ‎(1,231 × 879 pixels, file size: 138 KB, MIME type: image/png)

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.

When using this image in external works, it may be cited as:

or

  • 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.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

inception

24 March 2010

MIME type

image/png

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current11:51, 23 December 2021Thumbnail for version as of 11:51, 23 December 20211,231 × 879 (138 KB)Mikael Häggströmbpm
11:47, 23 December 2021Thumbnail for version as of 11:47, 23 December 20211,231 × 900 (138 KB)Mikael HäggströmLess risk of misunderstanding
23:01, 28 June 2012Thumbnail for version as of 23:01, 28 June 20121,231 × 879 (103 KB)Mikael HäggströmRecolored
22:59, 28 June 2012Thumbnail for version as of 22:59, 28 June 20121,231 × 879 (103 KB)Mikael HäggströmColored
22:36, 28 June 2012Thumbnail for version as of 22:36, 28 June 20121,231 × 879 (84 KB)Mikael HäggströmHorizontal compression
22:07, 28 June 2012Thumbnail for version as of 22:07, 28 June 20121,254 × 754 (73 KB)Mikael HäggströmExpanded and formatted y-axis
11:38, 9 December 2010Thumbnail for version as of 11:38, 9 December 2010784 × 444 (37 KB)Mikael HäggströmExtended
05:06, 25 March 2010Thumbnail for version as of 05:06, 25 March 2010704 × 422 (37 KB)Mikael Häggströmcontrasted
16:01, 24 March 2010Thumbnail for version as of 16:01, 24 March 2010704 × 422 (37 KB)Mikael Häggströmcompleted
15:55, 24 March 2010Thumbnail for version as of 15:55, 24 March 2010684 × 425 (36 KB)Mikael Häggström{{Information |Description={{en|1=g}} |Source={{own}} |Author=Mikael Häggström |Date=g |Permission= |other_versions= }}
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Retrieved from "https://en.wikipedia.org/wiki/File:QT_interval_corrected_for_heart_rate.png"