Screening for and Treatment of Blunt
Cerebrovascular Injuries Algorithm

Table 1

Blunt Carotid & Vertebral Artery Injury Grading Scale32

Injury Grade Description
ILuminal irregularity or dissection with < 25% luminal narrowing
IIDissection or intramural hematoma with ³ 25% luminal narrowing, intraluminal thrombus, or raised intimal flap
VTransection with free extravasation