121. PULMONARY EMBOLSM, THICKER SECTION

Indications  Suspected PE in Large Patient or Patient with Limited ability to breath hold
 (tachypnea)
Number of scan Acquisition/series  1
Scan Acquisition  1 Pulmonary Arterial
Range  Clavicular heads through both costophrenic angles
Care Dose 4D  On
Quality Reference mAs  150 mAs
KV / Effective mAs / Rotation time  120 / 150 / 0.5 seconds
Detector Collimation  1.5 mm
Slice Thickness  2 mm
Pitch factor  1.3
Kernel (for initial reconstruction)  B30f
Increment  1 mm
Image order  Cranial - Caudal
Oral Contrast  None
 IV contrast  80 cc Isovue 370 / 30 saline chaser (Dual Injector)
 Injection Rate  5cc second
 Scan Delay (sec)  20-25 seconds approximately. Care Bolus ; Timing off Main PA; Trigger at 150 HU
 Reconstruction
 (Series to send to PACS)
 1. Recon 2x1 B30f mediastinum medium smooth
 2. Recon 3x3 B80f lung ultrasharp
 3. Recon 2x1 B80f mediastinum to 3D Card for coronal reconstruction
 4. MIP 20 mm slab 3 mm increments