Infant Minor Head Trauma Clinical Decision Rule

Inclusion Criteria: * Child aged less than 2 years presenting to pediatric emergencies for evaluation within 24 hours of an apparently minor blunt head trauma, defined by a pediatric Glasgow coma scale score of 14 or 15 at initial clinical assessment * Non opposition from parents to their child inclusion and collect of these data * Child with social insurance Exclusion Criteria: * Trivial head injury * Neurosurgical history * Pre-existing neurological disorder * Bleeding disorder * Suspected child abuse * Open fracture * Penetrating skull injury * Polytrauma and substantial non cranial serious injury * Isolated facial trauma * Imaging performed before ED visit * Prior inclusion of the child in the study