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The imaging parameters in pulmonary artery MRI lower extremity MRV sequences
| Sequences | TR/TE (ms) | Flip Angle | NEX | Matrix | Slice thickness/gapa (mm) | Parallel imaging factor |
| SSFP | 4.2/1.8 | 70o | 2 | 288 × 160 | 5/1.5 | – |
| 3D-GRE | 4.4/2.1 | 12o | 0.75 | 320/192 | 3/0 | 2 |
3D-GRE, three dimensional gradient echo; MRV, magnetic resonance venography; NEX, number of excitations; SSFP, steady-state free precession.
5/0 mm for 3D-GRE and 10/2.5 for SSFP in MRV.
