Protocols used to inject the contrast material
| Protocol | Duration of Rotational Run | ||
|---|---|---|---|
| 5 Seconds | 8 Seconds | 14 Seconds | |
| Continuous flow, mL/s | 4.0 | 2.5 | 2.5 |
| Initial bolus injection, mL/s | |||
| First phase | 5.0 over 2 s | 5.0 over 2 s | 4.0 over 4 s |
| Second phase | 3.3 over 3 s | 1.7 over 6 s | 1.9 over 10 s |