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Figure 9 Use of two-dimensional (2D) strain to quantify changes in wall thickening in ischemic territories. The baseline images showed apical septal hypokinesis, manifest as reduced amplitude of the strain-rate curve (green, marked with short arrow), but this worsened to display systolic lengthening and post-systolic shortening with stress (long arrow). The patient had critical disease of the left anterior descending artery at coronary angiography.
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