Subarachnoid haemorrhage [top]
- Acute headache, very sudden onset 'like being kicked in the back of the head'
- May be drowsy / unconscious loss of consciousness, vomiting
- Signs of meningism:neck stiffness, photophobia
- Acute neurological deficit
- Photophobia, neck stiffness, meningism, Kernig's sign positive
- Non-blanching purpuric rash with bacterial meningitis