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. Author manuscript; available in PMC: 2012 Sep 13.
Published in final edited form as: Circulation. 2011 Sep 13;124(11 Suppl):S81–S96. doi: 10.1161/CIRCULATIONAHA.110.011163

Fig 1.

Fig 1

A: Schematic illustrating ventricular and annular marker locations. Marker #20 represents the mitral annular saddle horn marker and markers #17 and #23 the anterior and posterior commissural markers, respectively. B: Schematic magnification of a top view of the mitral valve showing annular as well as leaflet markers. Sixteen markers were placed on the mitral annulus (#17-#32), 16 markers were placed on the anterior mitral leaflet (#1-#16) and one marker was placed on the free edge of the mid part of the posterior leaflet (#33). Inset shows the radial (rad) and circumferential (cir) directions used for strain definitions.