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Fig. 6 —Navigator-gated and navigator-corrected double oblique 3D segmented
k-space gradient-echo imaging sequence (3 T, TR/TE = 7.5/2.3, 
=20°, resolution=0.35x0.35x1.5 mm, field of view=270x216
mm, 800x610 matrix, scan duration = 906 seconds, 12 radiofrequency
excitations per R-R interval, acquisition time window [Tacq] = 90
milliseconds, 10 slices [acquired], 20 slices [reconstructed], fat
saturation). High-resolution scan of 23-year-old healthy man acquired at
trigger delay of 591 milliseconds using FREEZE software tool shows highly
visible interface in region of coronary arteries (small-diameter branches [A])
as well as pericardium and lung-liver interface (B). Together with ability to
reveal small-diameter branching vessels, this suggests excellent suppression
of both intrinsic and extrinsic myocardial motion.