Specific Anatomic RegionHeart
ApplicationCardiac function study (4D)
AuthorElliot K. Fishman, MD
Reference SourcePersonal communication
Scanner UsedSensation 16
KV / Effective mAs / Rotation time (sec)120 kV / 550 eff mAs / 0.42 sec
Detector Collimation (mm) 0.75 mm
Slice Thickness (mm)1.0 mm
Feed / Rotation (mm)3.4 mm /sec
KernelB30f medium smooth
Increment (mm)1.0 mm x 6.0 mm recon at 0-90% intervals (10 reconstructions)
Image Ordercraniocaudal
Oral ContrastNone
IV Contrast Volume and Type100 cc Visipaque 320 followed by 30-50 cc of saline push.
Injection Rate3.5-4.0 cc/sec
Scan Delay (sec)20-26 sec
3D Technique UsedVRT / MIP / MPR / InSpace 4D
Comment: - This is the same as our coronary angiography protocol except we reconstruct 10 sequences to get the 4D motion studies.