====== Denver grading scale ======

Grading for [[blunt cerebrovascular injury]]

===== Grade Description =====


I luminal irregularity with < 25% stenosis

II ≥ 25% luminal stenosis or intraluminal thrombus or raised intimal flap

III [[pseudoaneurysm]] ([[Stroke]] risk due to [[carotid artery blunt injury]] 44 %).

IV occlusion

V transection with free extravasation