Department of Radiology

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

Physical Location:
UNM Hospital

Phone: 505-272-2269


Have chest radiograph before ordering.

* modify to 121 with large patient or inability to breath hold
* modify to 122 with thin patient under age 40 able to breath hold
Indications  Suspected PE in normal habitus patient 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  150 mAs
KV/ Effective mAs/Rotation time  120 / 150 / 0.5 seconds
Detector Collimation  0.75 mm
Slice Thickness  2.0 mm
Pitch factor  1.3 
Kernel (for initial reconstruction)  B30f
Increment  1.0 mm
Image order  Cranial - Caudal 
Oral Contrast  None
Intravenous Contrast  80 cc Isovue 300
Injection Rate  4 cc second
Scan Delay (sec)  20-25 seconds approximately. Care Bolus ; Timing off Main PA
(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 2x1 B80f mediastinum to 3D Card for coronal reconstruction
 5. MIP 20 mm slab 3 mm increment