Intro

Question 1

canadian c spine rules

Answer 1

A: any high risk factor YES –> imaging
age >/= 65
paresthesia
dangerous mech
B: low risk factor that allows safe ROM testing - NO –> imaging
simple rear end collision
sitting position in ED
ambulatory at anytime
delayed neck pain
absence of midline C-spine tenderness
C: able to rotate neck
>45 L and R

Question 2

Ottawa knee rule

Answer 2

a knee x-ray required if they have any of these findings
>/= 55 y/o
isolated tenderness of patella
tenderness of fibular head
inability to fl to 90
inability to bear weight both immediately and in ED for 4 steps