FIGURE 3. (A) Correlation between direct measurements of myocardial uptake of 1-¹¹C-glucose and unlabeled glucose. (B–D) Correlation between direct measurements of myocardial uptake of ¹⁸F-FDG and unlabeled glucose for uncorrected ¹⁸F-FDG K values (B), values corrected by LC (C), and values corrected by LCv (D). D = dobutamine.