Risk factors
- Vascular malformation
- AVM (isolated or associated with HHT)
- Aneurysm
- Hematologic abnormalities
- Hemophilia
- Prothrombotic. disorder
- Sickle cell disease – m/c
- Bacterial meningitis
- Vasculitis
- Head/neck trauma
Clinical features
- Headache, vomiting
- Seizure
- Focal neurologic deficits
- Altered mental status
Imaging
Head CT scan
intraparenchymal, intraventricular, or subarachnoid hyperdense fluid collection
Brain MRI
Management
Supportive (eg, antiepileptics)
Rduction of intracranial pressure (eg, elevate head of bed, surgical decompression)
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