EDP5. MESENTERIC CTA (R/O Intestinal Ischemia)

KV / effective mAs / rotation time  120 / 200 / 0.5 seconds
Detector collimation   0.75 mm
Slice Thickness  1.0 mm
Pitch  0.75
Kernel  B30f
Increment   1.0 mm
Image order  Cranial to caudal.
Oral Contrast  Water 250 cc every 30 min for total of 750 cc + 250 on table.
 (If emergent can give 750 cc H20 30 minutes prior + 250 on table)
Intravenous Contrast  Isovue 300 - 120 cc.
 18 - 22 ga IV needed preferably in the AC
Scan Delay  FIRST acquisition 30 - 35 seconds approximately. MUST USE CARE BOLUS.
    Place ROI on descending Aorta at level of the diaphragm.
 SECOND acquisition 70 second delay
Reconstruction  First acquisition reconstruction 1 x 1.
 First acquisition 2nd Recon and second acquisition B30f 3 x 3.
Additional Instructions  Scan abdomen and pelvis.
 Perform thin MIP reformatting using 3D card:
    Image thickness 3, 
    Distance between images 1,
    Number of slices 80 or whatever is needed to cover from anterior
        vertebral body to abdominal wall at L-2 level.