Gated CT Chest C- Aortic Aneurysm Protocol
(updated 6/12/2013, last reviewed 02/02/2026)
Assign to cardiac radiologist queue
Indication: Aortic size measurements for aneurysm follow up. Ordered by cardiac surgery and cardiology.
ECG gated
SERIES
- 2 mm Axial
- 1 mm Axial lung windows
- 3 mm Coronal
- 3 mm Sagittal
- Coronal MIP lung
TECHNICAL PARAMETERS
POSITIONING/MODE: supine / helical
kV/mA/rotation time: per scanner protocol, CareDose/iDose/ASIR, Care kV; <1 sec
PITCH: <1.5
SINGLE COLLIMATION WIDTH: 0.625 mm
SLICE THICKNESS: 2 mm /1 mm
KERNAL: std soft tissue and lung
SFOV: large
COVERAGE: thoracic inlet/apices -> posterior costophrenic sulci
ACQUISITION: craniocaudal
IV CONTRAST: no
RESPIRATION: Inspiration
POSTPROCESSING: 3 mm coronal, 3 mm sagittal, coronal MIP lung