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Table 2 Biffl Scale for blunt carotid arterial injury [13]

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