Thrombolysis In Cerebral Infarction (TICI) scale
| TICI grade | Definition |
|---|---|
| Grade 0 | No perfusion |
| Grade 1 | Antegrade perfusion beyond the occlusion, but limited distal branch filling with slow distal perfusion |
| Grade 2a | Antegrade perfusion of less than half of the occluded artery ischemic territory |
| Grade 2b | Antegrade perfusion of more than half of the target artery ischemic territory |
| Grade 3 | Complete antegrade perfusion of the occluded target artery ischemic territory |