Table 1 Technical parameters
From: Usefulness of TI-scout images in the assessment of late gadolinium enhancement in children
Parameter | Modified Look-Locker TI-scout | Standard LGE (segmented PSIR-FLASH) | Standard LGE (single-shot PSIR-bSSFP) |
|---|---|---|---|
ECG gating | Throughout R–R interval | Mid-late diastole | Mid-late diastole |
ECG triggering | Every 2 R–R intervals | Every 2 R–R intervals | Every 2 R–R intervals |
Breath-hold | No | Yes, if cooperative | No |
Acceleration factor | 2 | No | 2 |
Field of view | 250–350 mm | 250–350 mm | 250–350 mm |
Slice thickness | 7 mm | 6 mm | 6 mm |
Pixel size | 1.3 × 1.3 mm | 1.3 × 1.3 mm | 1.8 × 1.8 mm |
Flip angle | 30° | 45° | 40° |
TR/TE | 2.93/1.25 ms | 3.04/1.26 ms | 2.57/1.09 ms |
Signal averages | 1 | 1 for breath-hold, 3 for uncooperative patients | 1 |