4D flow sequence | 2D-PC flow sequence | |||
---|---|---|---|---|
Arterial | Venous | |||
Resolution (mm) | 1.3 | 1.8 | 0.6 | 0.6 |
Field of view (mm) | 200 | 280 | 240 | 240 |
iPAT acceleration factor | 2 | 2 | 2 | 2 |
Views per segmenta | 2–3 | 2–3 | 2–3 | 2–3 |
Matrix | 72 × 160 | 72 × 160 | 192 × 192 | 192 × 192 |
Echo time (ms) | 2.37–2.55 | 2.15–2.28 | 3.73 | 3.73 |
Temporal resolution (ms) | 39.3–82.1 | 37.7–58.1 | 38.6 | 38.6 |
VENC (cm/s) | ||||
Great vessels | 150–400 | 150–350 | ||
Branch pulmonary arteries | 150–400 | 100–400 | ||
Systemic veins | 150–375 | 75–150 | ||
Pulmonary veins | 150–375 | 75–120 |