113. CHEST, ABDOMEN and PELVIS with oral and IV contrast

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