See Head trauma (main)
Emergent neurosurgical evacuation
Operative intervention generally for patients with focal findings, >10mm hematoma, midline shift > 5mm, signs of increased intracranial pressure (ICP) 
Management of ICP
Head of bed to 30 degrees
Short-term use of hyperventilation
Hyperosmolar agents (Mannitol, 3% saline)
Reversal of anticoagulation
Treat and prevent hypotension and hypoxia
Associated with significantly increased mortality
Emergency Department Burr hole, if indicated
Operative intervention generally for patients with focal findings, >10mm hematoma, midline shift > 5mm, signs of increased intracranial pressure (ICP) 
Head of bed to 30 degrees
Short-term use of hyperventilation
Hyperosmolar agents (Mannitol, 3% saline)
Associated with significantly increased mortality
Subdural hemorrhage
Intra-axial
Subdural empyema
Hemorrhagic stroke 
Subarachnoid hemorrhage
Traumatic intracerebral hemorrhage
Epidural hemorrhage
Extra-axial