Fig. 3From: Static CT myocardial perfusion imaging: image quality, artifacts including distribution and diagnostic performance compared to 82Rb PETStress CT-MI and 82Rb-PET agreement by visual analysis. Post dipyridamole stress short-axis images of CT-MPI in (A, C) and 82Rb-PET (B, D). Perfusion defects on post dipyridamole stress CT-MPI in mid anterior segments and corresponding 82Rb-PET images in a single patient (red arrows). Note beam hardening artifacts in apical segments in CT images (open green arrows)Back to article page