1159. 3 Questions to answer for Canadian C Spine Rule // What is the retropharyngeal space? Acceptable width? September 22nd, 2009 by reuben in .trauma-spine & spinal cord Back Top Tags: card 1158. Central cord syndrome: population, mechanism, deficit // Brown-Sequard: mechanism, deficit // Anerior cord syndrome: mechanisms, deficit 1160. Flex-ex criterion // Dose of methylprednisolone for traumatic spinal cord injury Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.