What are possible causes of acute subdural hematoma (SDH)?

Updated: Jul 26, 2018
  • Author: Richard J Meagher, MD; Chief Editor: Helmi L Lutsep, MD  more...
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Causes of acute subdural hematoma include the following:

  • Head trauma

  • Coagulopathy or medical anticoagulation (eg, warfarin [Coumadin], heparin, hemophilia, liver disease, thrombocytopenia)

  • Nontraumatic intracranial hemorrhage due to cerebral aneurysm, arteriovenous malformation, or tumor (meningioma or dural metastases)

  • Postsurgical (craniotomy, CSF shunting)

  • Intracranial hypotension (eg, after lumbar puncture, lumbar CSF leak, lumboperitoneal shunt, spinal epidural anesthesia [12]

  • Child abuse or shaken baby syndrome (in the pediatric age group)

  • Spontaneous or unknown (rare)

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