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Figure 3 (A) Diagram outlining the papillary muscle measurements in the study. A = angle of the anterolateral papillary muscle (ALPM); B = angle of the posteromedial papillary muscle (PMPM); C = interpapillary muscle angle. (B) Diagram outlining the measurements of the LVOT. A = subaortic measurement; B = aortic annulus measurement; C = aortoseptal angle. LA = left atrium; LV = left ventricle; RV = right ventricle.