Scan Acquisition |
1. Pulmonary arterial |
2. Abdomen and pelvis, portal phase |
Range |
Clavicular heads through both costophrenic angles |
Top of diaphragm to ischial tuberosities |
Care Dose 4D |
On |
On |
Quality Reference |
130 |
180 |
KV / Effective mAs / Rotation time |
120 / 130 / 0.5 seconds |
120 / 180 / 0.5 seconds |
Detector Collimation |
1.5 mm |
1.5 mm |
Slice Thickness |
3 mm |
3 mm |
Pitch factor |
1.3 |
1.3 |
Kernel (for initial reconstruction) |
B30f |
B30f |
Increment |
3 mm |
3 mm |
Image order |
Cranial - Caudal |
Cranial - Caudal |
Oral Contrast |
ER / inpatient / suspected perforation: 750 cc dilute gastrografin Outpatient: 750 cc Redicat |
Intravenous Contrast |
100 cc Isovue 300 / 30 saline chaser (Dual Injector) |
Injection Rate |
3 cc second |
N/A |
Scan Delay |
Usual: 25 seconds (if using 2.5 cc/second increase to 30 seconds). For pt. with heart disease: Use Care Bolus ; Timing off Main PA |
70 seconds |
Reconstruction (Series to send to PACS) |
1. Recon 3x3 B30f mediastinum medium smooth 2. Recon 3x3 B80f lung ultrasharp 3. Recon 2x1 B80f mediastinum to 3D Card for coronal reconstruction 4. Recon 3x3 B30f abdomen medium smooth |