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Mitral valve regurgitation visualized as vena contracta width (VCW) along the long axis of mitral regurgitation jet in anterior-posterior (AP) and commissure-commissure (CC) views and as vena contracta area (VCA) along short-axis (SAX) view in transesophageal 3DE. The VCA is seen not circular but ellipsoidal inen face SAX view.
