Madison Neurology LLC | Opening April-May 2026 | We Are Hiring

Subdural Hematoma

Please Read Disclaimer
December 21, 2023 3 min read

Subdural Hematoma

  1. Acute: < 72 hours
  2. Subacute: 3-7 days
  3. Chronic : > 7 days

Indications for Surgical Evacuation

  • Volume of bleed >30 ml
  • >10mm thickness of bleed
  • >5 mm midline shift regardless of GCS score
  • If GCS <9
  • If GCS drops by >2 points between time of event and time of evaluation
  • If GCS < 9, needs ICP monitoring and if ICP > 20mm, evacuation needed
  • If pupillary asymmetry present, evacuate.

Medical management:

  1. Mannitol 0.25 gm/kg IV q 6 h
  2. D/C if Serum measured osmolarity > 320 or Serum Sodium > 150.
  3. Typically you can use it for upto 48 hours.