Early Prescription of Radiography Using the Ottawa Ankle Rules by a Nurse in the Management of Isolated Ankle Trauma

Inclusion Criteria: * With closed ankle injury less than 10 days old * Affiliation to the national health insurance * Written informed consent must be obtained Exclusion Criteria: * Trauma dating more than 10 days * Patient not affiliated to the national health insurance * X-ray performed before patient admission * Other trauma than an isolated trauma of the ankle * Injury other than ankle injury : calcaneus, toes, and Achilles' tendon * Paraplegic or quadriplegic patient * Previous admission to the Emergency Department for the same traumatic event * Patient already included in the PARIAO study * Isolated skin injury / isolated superficial injury * Ankle fracture or obvious deformation * Neuro-vascular deficit * Mental disorder * Adults legally protected (under judicial protection, guardianship, or supervision), persons deprived of their liberty * Excessive alcoholization or intoxication by other psychoactive substances (physician's decision) * Uncooperative patient * Pregnancy in progress