125. PULMONARY EMBOLSM WITH VENOGRAPHY

Indications  Suspected PE and DVT
Number of scan Acquisition/series  1
Scan Acquisition  1. Pulmonary Arterial  2. Venography lower extremities
Range  Clavicular heads through costophrenic angles  Umbilicus to knees
Care Dose 4D  On  On
Quality Reference  150 mAs  120 mAs
KV / Effective mAs / Rotation time  120 / 150 / 0.5 seconds  120 / 120 / 0.5 seconds
Detector Collimation  0.75 mm  1.5 mm
Slice Thickness  1 mm   3 mm
Pitch factor  1.2  1.3
Kernel (for initial reconstruction)  B30f  B30f
Increment   1 mm  3 mm
Image order  Cranial - Caudal  Cranial - Caudal
Oral Contrast  None  None
 IV contrast  130 cc Isovue 300 / 30 saline chaser
 (Dual Injector)
 No additional
 Injection Rate  4 cc second  N/A
 Scan Delay (sec)  20-25 seconds approximately.
 Care Bolus ; Timing off Main PA
 2.5 minutes after finishing
 pulmonary arterial scan
 Reconstruction
 (Series to send to PACS)
 1. Recon 1x1 B30f mediastinum
     medium smooth
 2. Recon 3x3 B30f mediastinum
     medium smooth
 3. Recon 3x3 B80f lung ultrasharp
 4. Recon 1x1 B80f mediastinum
     to 3D Card for coronal reconstruction
 5. MIP 20 mm slab 3 mm thickness 
 1. Recon 3x3 B30f mediastinum
     medium smooth
 2. Recon 2x1 B30f to 3D card
     for reconstruction
 3. Sagittal and coronal MIPS
     in 3mm thickness