51 year-old female, healthy volunteer. Dynamic scan was acquired for 60 minutes after injection of 370 MBq of 18F-FDG. A) Reconstruction of the last 20 minutes of dynamic acquisition; B, C, D, E, F are 20 minute duration scans obtained at 90 min, 3, 6, 9 and 12 hours post-injection. Patient was fed with high-protein snack after the 3 hour scan; this explains the more intense myocardial uptake (red arrow) on the following scans.