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Figure 8 Single-photon emission computed tomography perfusion imaging from a hypertrophic cardiomyopathy patient. Septal thickness is increased as is the count activity (hot spot) in the septum relative to lateral wall. The computer analysis software registered a fixed perfusion defect (scar) in the lateral and apical regions upon normalization to the septum. HLA = horizontal long axis; PDS = perfusion defect size; SA = short axis; VLA = vertical long axis.
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