Head Injury Subdural Hematoma
A heavy layered sheath known as the dura mater covers the outside of the brain and spinal cord. There are blood vessels both under and above the dura.
Bleeding that occurs under the dura is referred to as a subdural hematoma. Subdural hematomas are most common in the elderly, who have fragile veins that can rupture after a minor injury. Surgery is usually required to treat a subdural hematoma.
For more information:
Continue to Head Injury Anatomy
- Edwards P, Arango M, Balica L, et al. CRASH trial collaborators. Final results of MRC CRASH, a randomised placebo-controlled trial of intravenous corticosteroid in adults with head injury-outcomes at 6 months. Lancet. 2005 Jun 4-10;365(9475):1957-9. 
- Grappling with traumatic brain injury. Lancet. 2007 Dec 8;370(9603):1879. 
- Lee AC, Ou Y, Fong D. Depressed skull fractures: a pattern of abusive head injury in three older children. Child Abuse Negl. 2003 Nov;27(11):1323-9. 
- McKinley J. New challenges in assessing and managing concussion in sports. Am Fam Physician. 2007 Oct 1;76(7):948-9. 
- Ropper AH, Gorson KC. N Engl J Med. 2007 Jan 11;356(2):166-72. Review. No abstract available. Erratum in: N Engl J Med. 2007 Apr 26;356(17):1794. 
- Smits M, Dippel DW, de Haan GG, Dekker HM, Vos PE, Kool DR, Nederkoorn PJ, Hofman PA, Twijnstra A, Tanghe HL, Hunink MG. External validation of the Canadian CT Head Rule and the New Orleans Criteria for CT scanning in patients with minor head injury. JAMA. 2005 Sep 28;294(12):1519-25. 
- Tender GC, Awasthi D. Risk stratification in mild head injury patients: the head injury predictive index. J La State Med Soc. 2003 Nov-Dec;155(6):338-42.