Watch this video to learn about different types of head injuries, their respective mechanisms, causes of primary and secondary head injury, classification of head injury, different types of associated intracranial hematomas, clinical presentation, Glasgow Coma Scale and its clinical significance, various examination findings, features of skull base fractures and management options according to the severity of injury. Timeline: 0:00 – Introduction 0:25 – Epidemiology 1:07 – Pathophysiology 3:59 – Types of brain injury (primary and secondary) 5:15 – Causes of secondary brain injury 6:15 – Classification of head injury 7:45 – Intracranial hematomas 8:48 – Clinical features 12:00 – Glasgow Coma Score (GCS) and grading of head injuries 17:27 – Pupillary findings 18:56 – Skull base fracture 20:40 – Management: Mild head injury 23:58 – Management: Moderate to severe head injury 26:55 – Surgical management of head injury (extradural hematoma)