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• Subdural hematoma


  Bleeding between dura & arachnoid membranes due to tearing of bridging veins running between hemisphere & sinuses, resulting in venous bleeding and slow accumulation
• Subdural hematoma


  • Latent interval (lucid) between injury & symptoms onset may be weeks or months
  • #1 cause is head trauma
  • Elderly & alcoholics have higher risk because of atrophic brain
  • Other risk factors: previous head injury, use of anti-thrombotic medications
• Presentation of subdural hematoma


  • Headache
  • Drowsiness
  • Confusion
  • Change in mental function
  • Focal neuro signs or hemiparesis
  • Some may present w/ coma
• CT finding


  Crescent shape hematoma (concave) that crosses sutures
• Treatment of subdural hematoma


  1. Neurosurgical evacuation if symptomatic

  2. May regress spontaneously