Table 1 Sample CT vascular protocols
From: Vascular CT and MRI: a practical guide to imaging protocols
Protocol | I rate (ml/s) | Bolus tracking level | ECG-gatingb | Non-contrast | Arterial | Delay (immediate unless specified) |
|---|---|---|---|---|---|---|
AA I- | – | – | – | A/P | – | – |
AA I+ | 4 | Coeliac artery | – | – | A/P | – |
AA Post-op stent | 4 | Coeliac artery | – | A/P | A/P | A/P (70s) |
AA Pre-op stent | 4 | Coeliac artery | – | A/P | A/P | – |
Chest venograma | 3 | – | – | – | – | C (50 & 100 s) |
Pulmonary angiogram | 4 | Main PA | – | – | C | – |
TA I+ | 4 | Descending TA | + | C | C | – |
TA I- | – | – | + | C | – | – |
TA Post-op stent/extravasation | 4 | Descending TA | – | C | C | C (70 s) |
CAP Aorta | 4 | Descending TA | + | C | C/A/P | – |
Lower extremity CTA | 5 | Renal artery | – | Kidney-toesb | Kidney-toes | Knees-toes |
Lower extremity CTA + CTVa | 5 | Renal artery | – | Kidney-toesb | Kidney-toes | Kidney-toes (180 s) |
Re-do sternotomy | 5 | Descending TA | + | – | C | – |
Mesenteric ischaemia | 5 | Coeliac artery | – | – | A/P | A/P (60 & 90s) |
Pelvic vein CTVa | 3 | – | – | – | – | A/P (100 & 180 s) |
Renal arteries | 5 | Coeliac artery | – | – | A | – |
Renal donor | 5 | Coeliac artery | – | A/P | A | A (100 s) & A/P (6 m) |
Renal recipient | 5 | Coeliac artery | – | A/P | A/P | A/P (150 s) |
SGAP (prone) | 5 | Aorta bifurcation | – | – | Umbilicus-knees | – |
Upper extremity CTA | 5 | Arch | – | Arch-fingersb | Arch-fingers | Elbow-fingers |
DIEP | 5 | Aorta bifurcation | – | – | A/P | – |