| History: | Airways disease. Check with radiologist to see if HI-res is necessary. |
| Surview: | Sternal notch to mid kidneys |
| Scan: | Two scans: apices to diaphragm. |
| Scan #1: | BREATHING INSTRUCTIONS: Inspiration |
| Scan #2 : | BREATHING INSTRUCTIONS: Expiration - 3 levels, 2 contiguous axial slices: 1. level of arch 2. level of carina 3. level of bases |
| Thick/Couch Incr.: | 4 @ 3 | 1.25 @ 1.2 |
| Length | 2.45 | |
| Kvp | 120 | 120 |
| mAs | 250 | 250 |
| Resolution | standard | High |
| Collimation | 128 x 0.625 | 2 x 0.625 |
| Pitch | 0.993 | N/A |
| Rotation Time | 0.5 | 0.33 |
| Scan FOV | 350 | 350 |
| Cycle Time | N/A | 0.9 |
| Cycles | N/A | 2 |
| Filter | B | L |
| iDose4 | iD-3 | iD-3 |
| Lung recon | L/-400/1600 | -400/1600 |
| Recon | 0.9 @ 0.45- | B filter |
| Matrix | 512 | 768 |
**Note: There will be three levels for scans. See levels listed above. DUPLICATE EACH SCAN and move to the correct level. You will have 2 contiguous images for each level. DO NOT SCAN TO THE LEVEL OF THE ADRENALS DOSE Tools: Z-Dom |
Post Processing
| MPR | Coronal recon using 0.9 @ 0.45 data | Recon 4 @ 3 |
Archiving
| Lung windows | 4 @ 3 |
| Axial-Hi Res | 1.25 @ 1.2 |
| Mediastinal windows | 0.9 @ 0.45 |
| MPR | 4 @ 3 |
Courtesy of the University of Maryland