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(A) Profiles of apical segmental and global (dotted line) rotation (°) in a 6 month-old normal boy. Apical rotation was consistently counterclockwise (positive). (B) Profiles of apical segmental and global (dotted line) rotation (°) in a 6 month-old boy with DCM. Apical rotation was clockwise or small counterclockwise, and was markedly heterogenous.
