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Figure 1: Multi-planar slices of the mitral valve. The transverse and sagittal planes are aligned along the antero-posterior (AP) and anterolateral-posteromedial (ALPM) diameters, with the coronal plane adjusted at the level of the annulus. Four points were identifi ed on the annulus at the origins of the AP and ALPM lines, and four additional points were identifi ed by rotating the pivot and tilt controls by 45º. The resulting eight points representing the annulus are shown in the bottom right window

Figure 1: Multi-planar slices of the mitral valve. The transverse and sagittal planes are aligned along the antero-posterior (AP) and anterolateral-posteromedial (ALPM) diameters, with the coronal plane adjusted at the level of the annulus. Four points were identifi ed on the annulus at the origins of the AP and ALPM
lines, and four additional points were identifi ed by rotating the pivot and tilt controls by 45º. The resulting eight points representing the annulus are shown in the bottom right window