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  2. Library: Fetal CHD Image Library
  3. Lesion: Transitional AV Canal
  4. View: Fetal Transitional AV Canal Clips
  • Transitional AV Canal
    • Common AV valve empties equally between two well balanced ventricles
    • Large Primum ASD
    • Small inlet VSD
  • Transitional AV Canal
    • Common AV valve balanced between two good sized ventricles
    • Moderate sized primum ASD
    • Small inlet VSD
    • PFO with right to left shunting
    • Mild common AV valve regurgitation.

This is an apical 4 chamber view.

AV canal (common valve versus two discrete valve orifaces), AV valve regurgitation, Ventricular balance (balanced versus unbalanced), Primum ASD, Ventricular size (dilation and/or hypertrophy)

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