C-spine film evaluation courtesy of Dr. Annie Sadosty

NEXUS
	- Midline cervical tenderness
	- Focal neurological deficit
	- Mental Status Depression
	- Intoxication
	- Distracting Injury


X-ray evaluation
	1)  Adequacy of film
	2)  A/O Joint
	3)  Four Lines
			a) Soft tissue
			b) ASL
			c) PSL
			d) SLL
	4)  Soft tissue interval (C2<6mm and C6 < 22mm)
	5)  Odontoid (<3mm in adults, <5mm in kids)
	6)  Pre-dental space
	7)  Harris' ring (broken = type 3 odontoid Fx)
	8)  Vertebral bodies
	9)  Facets
	10) Spinous processes