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Figure 4 Typical PET Images and Time-Activity Curves
Top left, typical positron emission tomography (PET)-derived, horizontal long-axis image from the myocardium of a nonobese man in our study after injection with 1-11C-acetate. Compared with the nonobese man, the PET-derived image after 1-11C-acetate from an obese women's myocardium shows greater tracer accumulation in the myocardium (more white and red graphically indicate greater counts in the woman's myocardium, corresponding to greater tracer uptake). Bottom panels, blood (dashed lines) and myocardial time-activity curves (solid lines) from the corresponding PET images, which were used in conjunction with compartmental models to quantify MVO2.
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