Ebsteins anomaly of the tricuspid valve echocardiography or ultrasound: Difference between revisions
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==Overview== | ==Overview== | ||
==Echocardiogram=== | |||
'''Fetal echocardiography''' helps in intrauterine diagnosis of Ebstein's anomaly | '''Fetal echocardiography''' helps in intrauterine diagnosis of Ebstein's anomaly | ||
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Below is an apical 4-chamber transthoracic view, showing apically-displaced leaflets of the tricuspid valve. Note substantial [[tricuspid regurgitation]], which originates close to the apex, where the abnormal leaflets actually coapt: | Below is an apical 4-chamber transthoracic view, showing apically-displaced leaflets of the tricuspid valve. Note substantial [[tricuspid regurgitation]], which originates close to the apex, where the abnormal leaflets actually coapt: | ||
{{#ev:youtube|KEko3kM26bY}} | |||
{{#ev:youtube|nP4akONmaVE}} | {{#ev:youtube|nP4akONmaVE}} |
Revision as of 13:09, 2 October 2012
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
Echocardiogram=
Fetal echocardiography helps in intrauterine diagnosis of Ebstein's anomaly
Two-dimensional echocardiography along with Doppler ultrasonography helps in making a diagnosis of Ebstein's anomaly. Echocardiography helps in
- Identifying the lesion,
- Determining the severity of dilatation of the right atrium
- Finding other associated cardiac defects that may be present.
- Finding the functional status of the tricuspid valve as well as the right ventricle
Findings on echo are-
- Apical displacement of the anterior tricuspid valve leaflet
- 'Atrialized' proximal portion of right ventricle. This occurs due to anterior displacement of tricuspid valve leaflet.
- Tricuspid regurgitation presenting as paradoxical septal motion.
- Patent foramen ovale or atrial septal defect may present as right to left shunting.
- Normally the tricuspid valve closes within 30 msec of the mitral valve. In Ebstein's, the tricuspid valve closes 50 to 60 msec after the mitral valve.
- The delayed tricuspid closure is not due to RBBB because it also occurs with preexcitation.
- 2D ECHO allows you to assess whether the repair can be accomplished without a prosthetic valve, and detects whether an interatrial shunt is present.
See Echo in Ebstein's anomaly of the tricuspid valve for more info/images
Below is an apical 4-chamber transthoracic view, showing apically-displaced leaflets of the tricuspid valve. Note substantial tricuspid regurgitation, which originates close to the apex, where the abnormal leaflets actually coapt:
{{#ev:youtube|KEko3kM26bY}}
{{#ev:youtube|nP4akONmaVE}}