Cleft Mitral Valve

 

Image Library Home >>Congenital Disorders >> Cleft Mitral Valve
  • Cleft MV Alone
  • Cleft MV with Primum ASD

 


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A cleft mitral valve usually occurs in the setting of an ostium primum ASD. There is a slit in one of the anterior leaflets. This is best seen on the parasternal short axis view, however the other views also show a markedly abnormal valve.

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This close-up view more clearly demonstrates the cleft in the anterior mitral valve leaflet The cleft here is shown attaching to the membranous septum.

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The color window shows mitral regurgitation associated with the cleft.

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An apical 4 chamber view is noteworthy for two major findings. First the mitral valve appears grossly abnormal. The posterior leaflet is also somewhat restricted. Second the tricuspid valve is more apical than the mitral valve, rather they are co-planar which is a hallmark of the av canal defects.

 

 

 

 

 

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This example shows an AV canal defect with both a primum ASD and cleft mitral valve. The parasternal shown axis shows the cleft mitral valve anterior leaflet again.

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There is significant MR as seen on color Doppler

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Which is corroborated in additional views

 

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The primum ASD is shown here in subcostal view, the best view on a TTE to assess for ASD flow.