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Fig. 1 —Diagram of free-breathing navigator-gated 3D black blood sequences
using cartesian and radial gradient-echo or radial steady-state free
precession (SSFP) imaging. Black blood properties are maintained using double
inversion prepulse consisting of nonselective and selective inversion pulses.
Real-time navigator precedes five preparatory pulses, which are used to
approach steady-state conditions. Epicardial fat saturation is achieved using
spectral inversion (SPIR) pulse. Imaging was performed during mid-diastole,
which is quiescent period in cardiac cycle.
