Ebsteins anomaly of the tricuspid valve pathophysiology: Difference between revisions
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{{Template:Ebstein's anomaly of the tricuspid valve}} | {{Template:Ebstein's anomaly of the tricuspid valve}} | ||
{{CMG}} and Claudia P. Hochberg, M.D. [mailto:chochber@bidmc.harvard.edu] | {{CMG}} and Claudia P. Hochberg, M.D. [mailto:chochber@bidmc.harvard.edu] | ||
'''Associate Editor-In-Chief:''' {{CZ}}}; [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu] [[Priyamvada Singh|Priyamvada Singh, MBBS]] [[mailto:psingh@perfuse.org]] | '''Associate Editor-In-Chief:''' {{CZ}}}; [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu] [[Priyamvada Singh|Priyamvada Singh, MBBS]] [[mailto:psingh@perfuse.org]] '''Assistant Editor-In-Chief:''' [[Kristin Feeney|Kristin Feeney, B.S.]] [[mailto:kfeeney@perfuse.org]] | ||
==Overview== | |||
==Pathophysiology== | |||
{{#ev:youtube|VeCLIjKJAwU}} | {{#ev:youtube|VeCLIjKJAwU}} | ||
The pathophysiology of Ebstein's anomaly depends on the morphology of tricuspid valve and right ventricle. | The pathophysiology of Ebstein's anomaly depends on the morphology of tricuspid valve and right ventricle. | ||
==Tricuspid valve== | ===Tricuspid valve=== | ||
* The anterior leaflet of the tricuspid valve is malformed in this condition i.e. they are attached to tricuspid valve annulus or to the right ventricular endocardium | * The anterior leaflet of the tricuspid valve is malformed in this condition i.e. they are attached to tricuspid valve annulus or to the right ventricular endocardium | ||
* The septal and posterior leaflets are absent most of the times. | * The septal and posterior leaflets are absent most of the times. | ||
* Due to these changes the tricuspid valve may becomes funnel-shaped and incompetent. | * Due to these changes the tricuspid valve may becomes funnel-shaped and incompetent. | ||
===Right ventricle=== | |||
==Right ventricle== | |||
The right ventricular changes are secondary to the malformed tricuspid valves. The right ventricle can thus be divided into two parts by the valve | The right ventricular changes are secondary to the malformed tricuspid valves. The right ventricle can thus be divided into two parts by the valve | ||
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* The downward extension of the tricuspid valve causes 'atrialization' of the proximal part of the right ventricle | * The downward extension of the tricuspid valve causes 'atrialization' of the proximal part of the right ventricle | ||
* The small distal part, the right ventricle proper, thus is reduced in size and sometimes comprises only of the right outflow tract. | * The small distal part, the right ventricle proper, thus is reduced in size and sometimes comprises only of the right outflow tract. | ||
==References== | ==References== | ||
Revision as of 16:57, 3 October 2012
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Ebsteins anomaly of the tricuspid valve Microchapters | |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] and Claudia P. Hochberg, M.D. [2]
Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [3]}; Keri Shafer, M.D. [4] Priyamvada Singh, MBBS [[5]] Assistant Editor-In-Chief: Kristin Feeney, B.S. [[6]]
Overview
Pathophysiology
{{#ev:youtube|VeCLIjKJAwU}}
The pathophysiology of Ebstein's anomaly depends on the morphology of tricuspid valve and right ventricle.
Tricuspid valve
- The anterior leaflet of the tricuspid valve is malformed in this condition i.e. they are attached to tricuspid valve annulus or to the right ventricular endocardium
- The septal and posterior leaflets are absent most of the times.
- Due to these changes the tricuspid valve may becomes funnel-shaped and incompetent.
Right ventricle
The right ventricular changes are secondary to the malformed tricuspid valves. The right ventricle can thus be divided into two parts by the valve
- The downward extension of the tricuspid valve causes 'atrialization' of the proximal part of the right ventricle
- The small distal part, the right ventricle proper, thus is reduced in size and sometimes comprises only of the right outflow tract.