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Table 1 Scan parameters for iNAV-3D and conventional 2D late gadolinium enhancement (LGE) methods. iNAV-3D: Image-Navigated High-Resolution 3-Dimensional, PSIR: phase sensitive inversion recovery

From: ‘Image-navigated 3-dimensional late gadolinium enhancement cardiovascular magnetic resonance imaging: feasibility and initial clinical results’

Parameter iNAV-3D LGE 2D LGE
Inversion pulse Every heart beat Every 2nd heart beat
PSIR No Yes
Repetition time (ms) 4.8 ms 5 ms
Echo time (ms) 1.5 ms 1.8 ms
Flip angle 25 25
Parallel imaging factor 2 1.5
Field of view (mm3) 320 × 320 × 120 mm 320 × 320 × 80 mm
Acquired resolution (mm) 2.0 × 2.0 × 2.0 mm3 1.25 × 1.25 × 10 mm3
Reconstructed resolution (mm) 1.0 × 1.0 × 1.0 mm3 0.62 × 0.62 × 10 mm3
Nominal scan duration 1 min 58 s 15 s/ breath holda
  1. a: net duration of acquisition: 1 min 35 s, total scan duration including breath holds: 9 min 57 s