CTA ABDOMINAL AORTIC ANEURYSM C+
(last updated 06/19/13, last reviewed 02/10/2022)
(last updated 06/19/13, last reviewed 02/10/2022)
INDICATION: Abdominal aortic aneurysm.
SERIES
- 3mm Axial CTA
- 3mm Coronal
- 3mm Sagittal
- 3D volume rendered and MIPS
| | |
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POSITIONING/MODE
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supine/helical |
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kV/mA/rot time
|
120 kV/auto mA/0.5 sec |
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DETECTOR COLLIMATION
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16 x 1.5mm (S16) 24 x 1.2mm (D64) |
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SLICE THICKNESS
|
3mm |
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PITCH
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1 to 1.5 |
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TABLE FEED
|
4.8 cm/sec (S16) 5.8 cm/sec (D64) |
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KERNAL
|
std |
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SFOV
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large |
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COVERAGE
|
dipahragm to pubic symphsis |
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ACQUISITION
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craniocaudal |
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ORAL CONTRAST
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none |
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IV CONTRAST
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100 mL Isovue 370, then 40mL saline |
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INJECTION RATE
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4 mL/sec |
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SCAN DELAY
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Care bolus descending aorta @ dipahragm (100HU or visual trigger) ~30 sec
|
|
RESPIRATION
|
Inspiration |
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POSTPROCESSING
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3mm Coronal and Sagittal. 3D volume rendered and MIPS |