Department of Radiology

MSC 10 5530
1 University of New Mexico
Albuquerque, NM 87131

Physical Location:
UNM Hospital

Phone: 505-272-2269

122. PULMONARY EMBOLSM, LOW DOSE

Indications  Suspected PE in thin habitus patient, age over 40 years
 with ability to breath hold
Number of scan Acquisition/series  1
Scan Acquisition  1 Pulmonary Arterial
Range  Clavicular heads through both costophrenic angles
Care Dose 4D  On
Quality Reference  145 mAs
KV / Effective mAs / Rotation time  100 / 145 / 0.5 seconds
Detector Collimation  0.75 mm
Slice Thickness  1 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 300
 Injection Rate  4 cc second
 Scan Delay (sec)  20-25 seconds approximately. Care Bolus ; Timing off Main PA
 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 increments