FIGURE 1.
Illustration of dual-isotope SPECT short-axis slices from representative dog. 201Tl cold spot SPECT slices were coded in green, and 99mTc hot spot SPECT slices were coded in red. Cold spot and hot spot images were subsequently fused as display in third row of panel. Same regions of cold spot (green arrows) and hot spot (red arrows) are shown in anterior-lateral wall of LV, demonstrating excellent coregistration and approximately reciprocal relationship between cold spot and hot spot SPECT images (white arrows).