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. Author manuscript; available in PMC: 2015 Mar 25.
Published in final edited form as: JACC Cardiovasc Imaging. 2014 May;7(5):453–461. doi: 10.1016/j.jcmg.2014.01.013

Figure 1. Endocardial Borders Conforming to Delineated Borders.

Figure 1

In this example, the endocardial borders of the left atrium (LA) (A) and the polygonal mesh surface conform to the delineated borders (B). Borders were traced on 4 equiangular planes (0°, 45°, 90°, and 135°) passing through the long axis of the LA and 1 cross-sectional plane perpendicular to the axis at the mid-atrium. Red indicates left atrial endocardial surface; blue indicates mitral valve annulus; yellow indicates left atrial borders; and green indicates mitral valve leaflets.