| Specific anatomic region ||Cardiac Routine (.33 sec)|
| Application ||Evaluate for anomalous coronary arteries|
| Author ||Elliot K Fishman, MD|
| Reference Source ||JHU Protocol|
| Scanner Used ||Siemens Sensation 64|
| KV/Effective mAs/ Rotation time (sec) ||120/ 850 / .33|
| Detector Collimation (mm) ||.6|
| Slice thickness (mm) ||.75|
| Pitch ||.2|
| Kernel ||B20|
| Reconstruction interval ||.4 (for 10 series at 0-90%)|
| Image order (acquisition) ||Cr-ca|
| Oral contrast ||N/A|
| IV contrast volume and type ||80 cc Visipaque 320 / 40 cc saline|
| Injection rate ||4cc/sec|
| Scan delay (sec) ||Test bolus + 6 sec delay time|
| 3D technique used ||VRT/MIP|
- We use InSpace for post processing. InSpace 2005A is ideal.
- 3D mapping is required for optimal visualization of the coronary arteries. A combination of MIP and VRT is key.
- 4D images are routinely reviewed to get the best sequence for each coronary artery.