Subarachnoid hemorrhage is bleeding in the space between the brain and the lining that covers the brain, called the arachnoid. Like all strokes, a subarachnoid hemorrhage is a medical emergency that requires immediate treatment to prevent serious complications, brain damage and death.
Defects in the blood vessels
Smoking, Alcoholism, Hypertension increases the risk of aneurysm bursting
- Arteriovenous malformations
These are direct connection between the arteries and the veins, (without the capillaries) to reduce the speed and pressure of the blood.
Severe head injury
Symptoms And Signs-–
- Impaired or total loss of consciousness.
- Slurred speech
- Stiff neck
- Sudden and severe headache (thunderclap headache)
|1||No clot seen on CT scan|
|2||Diffuse thin layer of subarachnoid clot (<1 mm thickness)|
|3||Localized clot or thicker layer of subarachnoid clot (>1 mm thickness)|
|4||Intracerebral or intraventricular clot with diffuse or no subarachnoid clot|
- Computerized tomography (CT) scan
- Lumbar puncture
- MRI scan
- Doppler ultrasound
- Oxygen therapy
- Neurosurgical clipping
- Endovascular coiling
- Cerebral vasospasm
- Undergo screening for aneurysm every five years if you have two or more close blood relatives who have experienced a subarachnoid haemorrhage, (mother, father, brother, aunt or uncle; but not grandmother or grandfather).
- Keep Blood pressure in control