64 Slice MDCT Protocols: Cardiac CTA |
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Specific anatomic region |
Cardiac CTA |
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Application |
Test bolus |
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Author |
Elliot K Fishman, MD |
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Reference Source |
JHU Protocol |
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Scanner Used |
Siemens Sensation 64 |
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KV/Effective mAs/ Rotation time (sec) |
120/ 40 / .5 |
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Detector Collimation (mm) |
10 mm |
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Slice thickness (mm) |
10 mm |
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Pitch |
N/A - 0 table feed |
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Kernel |
B20 |
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Reconstruction interval |
10mm |
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Image order (acquisition) |
N/A |
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Oral contrast |
N/A |
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IV contrast volume and type |
Visipaque 320 20cc / 40cc Saline flush |
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Injection rate |
4cc/sec |
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Scan delay (sec) |
10 sec and then every 3 sec (10 scans) |
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3D technique used |
N/A |
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Comment: Uses 2 sec cycle time. Test bolus used to determine patient specific delay time for CTA. Delay time + 6 sec is ideal. |
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