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Figure 1 Schematic representation of volumetric acquisition in the three protocols: (A) isolated rabbit heart that fits entirely into the pyramidal scan volume; (B) volumetric parasternal short-axis imaging of the pig heart that allows acquisition of the mid portion of the left ventricle; (C) volumetric apical imaging of the human heart that allows acquisition of a partial left ventricular volume that includes mostly the septal and lateral walls.