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Figure 2 Comparisons of individual EF measures between imaging methods. Open diamonds indicate patients whose classification by LVEF changed between imaging methods: (a) Volumetric MRI (Vol MRI) versus volumetric echocardiography (Vol Echo); (b) volumetric MRI versus biplane MRI (Bi MRI); (c) biplane MRI versus biplane echocardiography (Bi Echo). The numbers of patients whose functional classification changed between imaging methods are tabulated in Table 2.