Table 1 The acquisition parameters in 2D b-SSFP cine, 2D PC and 4D flow sequences
2D b-SSFP cine | 2D PC | 4D flow | |
|---|---|---|---|
Repetition time (TR, ms) | 3.46 (3.22–3.73) | 5.56 (4.97–6.03) | 4.58 (4.31–5.04) |
Echo time (TE, ms) | 1.54 (1.43–1.66) | 2.95 (2.38–3.16) | 2.22 (2.09–2.40) |
Flip angle (°) | 45/50 | 20 | 8–15 |
Views per Segment | 12–14 | 2–4 | / |
Temporal resolution (ms) | 55.36 (51.52–59.68) | 44.48 (39.76–48.24) | 36.63 (34.48–40.32) |
Acquired spatial resolution (mm) | 1.5–2.5 × 1.5–2.5 | 1.5–2.5 × 1.5–2.5 | 1.02–2.00 × 1.02–2.00 |
Slice thickness(mm) | 5.0–8.0 | 4.0–5.0 | 1.00–2.00 |
Interpolated Cardiac phases/cycle | 30 | 30 | 30 |
VENC (cm/s) | N/A | 150–380 | 120–380 |
Navigator gating | No | No | No |
ECG triggering | Yes | Yes | Yes |