File:Wiggers Diagram.svg

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Description
English: A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle.

In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in pressure from the mitral valve bulging into the atrium after closure, and wave "v" corresponds to passive atrial filling.

In the electrocardiogram: wave "P" corresponds to atrial depolarization, waves "QRS" correspond to ventricular depolarization, and wave "T" corresponds to ventricular repolarization.

In the phonocardiogram: The sound labeled 1st contributes to the S1 heart sound and is the reverberation of blood from the sudden closure of the mitral valve (left A-V valve) and the sound labeled "2nd" contributes to the S2 heart sound and is the reverberation of blood from the sudden closure of the aortic valve.
Date
Source Wikimedia Commons, File:Wiggers Diagram.png.
Author DanielChangMD revised original work of DestinyQx; Redrawn as SVG by xavax
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This a revision on the work by DestinyQx whose original image can be found here: http://commons.wikimedia.org/wiki/File:Cardiac_Cycle_Left_Ventricle.PNG

The original image incorrectly portrays aortic valve closure which occurs when left ventricular pressure falls below aortic pressure. This has been corrected in this png revision. Some spelling has also been corrected. The credit for the original drawing goes to DestinyQx.

Please use this link to translate the drawing.

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File history

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Date/TimeThumbnailDimensionsUserComment
current03:06, 2 August 2021Thumbnail for version as of 03:06, 2 August 20211,098 × 841 (36 KB)Yerachmiel C (talk | contribs)File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for lv.
03:02, 2 August 2021Thumbnail for version as of 03:02, 2 August 20211,098 × 841 (36 KB)Yerachmiel C (talk | contribs)File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for lv.
17:56, 21 March 2012Thumbnail for version as of 17:56, 21 March 20121,098 × 841 (21 KB)Xavax (talk | contribs)Code reduced
19:38, 20 March 2012Thumbnail for version as of 19:38, 20 March 20121,053 × 841 (30 KB)Xavax (talk | contribs)some corrections: text, colors and positons of text objects
12:56, 20 March 2012Thumbnail for version as of 12:56, 20 March 20121,053 × 841 (29 KB)Xavax (talk | contribs)now 200%
11:27, 20 March 2012Thumbnail for version as of 11:27, 20 March 2012528 × 421 (30 KB)Xavax (talk | contribs)=={{int:filedesc}}== {{Information |description={{en|1=A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle. In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in...
11:19, 20 March 2012Thumbnail for version as of 11:19, 20 March 2012528 × 421 (32 KB)Xavax (talk | contribs)=={{int:filedesc}}== {{Information |description={{en|1=A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle. In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in...
11:16, 20 March 2012Thumbnail for version as of 11:16, 20 March 2012528 × 421 (31 KB)Xavax (talk | contribs)=={{int:filedesc}}== {{Information |description={{en|1=A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle. In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in...
11:12, 20 March 2012Thumbnail for version as of 11:12, 20 March 2012528 × 421 (31 KB)Xavax (talk | contribs)=={{int:filedesc}}== {{Information |description={{en|1=A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle. In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in...
11:10, 20 March 2012Thumbnail for version as of 11:10, 20 March 2012528 × 421 (29 KB)Xavax (talk | contribs)=={{int:filedesc}}== {{Information |description={{en|1=A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle. In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in...
11:08, 20 March 2012Thumbnail for version as of 11:08, 20 March 2012528 × 421 (28 KB)Xavax (talk | contribs)=={{int:filedesc}}== {{Information |description={{en|1=A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle. In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in...
11:00, 20 March 2012Thumbnail for version as of 11:00, 20 March 2012528 × 421 (26 KB)Xavax (talk | contribs)=={{int:filedesc}}== {{Information |description={{en|1=A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle. In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in...
10:44, 20 March 2012Thumbnail for version as of 10:44, 20 March 2012528 × 421 (26 KB)Xavax (talk | contribs)=={{int:filedesc}}== {{Information |description={{en|1=A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle. In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in...

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