141. THIN SECION CT WITH IV CONTRAST

Indications  Bronchiectasis, hemoptysis
Number of scan Acquisition/series  2
Scan Acquisition  1. Systemic Arterial  2. Expiratory
Range  Clavicular heads through
 costophrenic angles
 Clavicular heads through
 costophrenic angles
Care Dose 4D  On  On
Quality Reference mAs  130 mAs  130 mAs
KV / Effective mAs / Rotation time  120 / 130 / 0.5 seconds  120 / 130 / 0.75
 (scan time full 0.75 sec)
Detector Collimation  0.75 mm  1.0 mm
Slice Thickness  1 mm  1 mm
Pitch factor  1.3  None
Kernel (for initial reconstruction)  B30f  B80s
Increment  1 mm  10 mm Feed / scan
Image order  Cranial - Caudal  Cranial - Caudal
Oral Contrast  None  None
 IV contrast  80 cc Isovue 300  No additional
 Injection Rate  4cc second  N/A
 Scan Delay  20-25 seconds approximately. Care Bolus ;
 Timing off DESCENDING Aorta
 Following arterial
 Reconstruction
 (Series to send to PACS)
 1. Recon 1x1 B30f mediastinum medium smooth
 2. Recon 3x3 B80f lung ultrasharp
 3. Recon 1x1 B80s lung ultrasharp
 4. Recon 1x1 B80s mediastinum to 3D Card for coronal reconstruction
 5. MIP 20 mm slab 3 mm increments
 6. Recon 1x1 B80s lung ultrasharp