Snapshot A 28-year-old man presents to the emergency department after a motor vehicle accident. The patient has a Glasgow score of 10. After airway, breathing, and circulation is secured, he undergoes a head CT without contrast, which demonstrates a lens-shaped hyperdensity that does not cross the suture line. There is a mild midline shift demonstrated on head imaging. Neurosurgery was consulted and plans are made for a craniotomy and hematoma evacuation. Introduction Overview login to view 2 more bullets Epidemiology Risk factors login to view 1 more bullet Etiology Middle meningeal artery tear Pathoanatomy login to view 5 more bullets Presentation Symptoms/physical exam login to view 7 more bullets Imaging CT head without contrast login to view 4 more bullets Differential Subdural hematoma login to view 2 more bullets Subarachnoid hemorrhage login to view 3 more bullets Treatment Operative login to view 3 more bullets Complications Transtentorial herniation Respiratory failure and death