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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Ann Thorac Surg. 2011 Jan;91(1):165–171. doi: 10.1016/j.athoracsur.2010.10.034

Fig 1.

Fig 1

Technique for annular and leaflet segmentation. (A) Annular delineation using rotational cross sections at 10-degree increments, centered on the geometric center of the mitral valve. (B) Leaflet segmentation using transverse cross sections every 1 mm along the intercommissural axis. In each panel, the three-dimensional rendered echocardiographic volume containing the mitral valve is displayed on the left, with cross-sectional planes; the two-dimensional resulting cross section is displayed on the right. (AA = anterior mitral annulus; AC anterior commissure; AML = anterior mitral leaflet; AoV = aortic valve; Coapt = mitral leaflet coaptation; LA = left atrium; LV = left ventricle; LVOT = left ventricular outflow tract; MVO = mitral valve orifice; PA = posterior mitral annulus; PC posterior commissure; PML = posterior mitral leaflet.)