From: Diagnosis of carotid arterial injury in major trauma using a modification of Memphis criteria
Injury grade | Description |
---|---|
1 | Luminal irregularity or dissection with < 25% luminal narrowing |
2 | Dissection or intramural hematoma with > = 25% luminal narrowing |
3 | Pseudoaneurysm |
4 | Occlusion |
5 | Transection with free extravasation |