CT Brain - Subarachnoid haemorrhage (SAH)
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![CT brain - subarachnoid haemorrhage](/images/ct/ct-brain/templates/ctb_sah/ctb_sah-15-02.jpg)
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CT Brain - Subarachnoid haemorrhage (SAH)
- The dense (white) material is acute subarachnoid blood
- Blood is seen within the CSF spaces - in the basal cisterns, fissures and sulci
Clinical features
- Sudden onset severe occipital headache with nausea and photophobia