The<unk>  space is the area between the brain and the skull and it is normally filled with cerebrospinal fluid (CSF) which can protect the brain.<unk>  is a serious, life-threatening type of bleeding in this area. It often occurs without warning. The most common causes of<unk>  are cerebral arteriovenous malformation and cerebral aneurysm. Headache is the main symptom. It often starts suddenly and starts after a popping or snapping feeling in the head. Other symptoms include speech disturbance, weakness on one side of the body, numbness, neck pain, nausea and vomiting, even sudden or decreased consciousness. Medical history and head images such as CT, MRI and MRA, even lumbar puncture may help diagnosis. Treatment for<unk>  depends on the underlying cause of the bleeding and the extent of damage to the brain. The goal of treatment is to save the paptient's life, stop the bleeding and damage to the brain, relieve symptoms, and prevent complications and reduce the risk of recurrence. Part patients need long-time recovery and rehabilitation. Prognosis of<unk>  varies from person to person, depending on the location and extent of the bleeding, and complications.
Subarachnoid hemorrhage
Subdural hematoma
Migraine
Intracerebral hemorrhage
Ischemic stroke
Hemorrhagic stroke
Arachnoiditis
Stroke