Concussion

'persisting symptoms' = >4/52
Etiology Shear movement of brain?
Epidemiology
Clinical presentation headache, feeling "cloudy", dizziness, memory problems, N+V
sleep disturbances, dementia/cognitive impairment, anxiety, PTSD, post-concussion (i.e. concussion s/s persisting beyond usual + worsening)
Pathogenesis
Diagnostic investigations CT head: <10% have structural changes! Exclude chronic subdural haematoma in at-risk pts
Management Complications:
Prevention