| Arteriovenous Malformation | A tangled web of blood vessels in the brain. |
| Cerebral Aneurysm | A bulging of an artery feeding the brain caused by a weakness usually at an arterial junction. |
| Cerebral Angiogram | A procedure using X-rays and computer technology to map the arteries of the brain. |
| Clipping | A procedure performed using craniotomy whereby a titanium clip is placed across the neck of an aneurysm to exclude it from the circulation |
| Craniotomy | A procedure to access the brain by removing a flap of bone from the skull |
| CT Scan | Computerised Tomography - A method of imageing performed in a special machine using X-rays. |
| Endovascular Coiling | An angiographic procedure whereby platinum coils are inserted into an aneurysm to exclude it from the circulation. |
| Hydrocephalus | Swelling of the brain, often as a result of subarachnoid haemorrhage. |
| MRA | Magnetic resonance angiography - A special type of MRI scan used for visuallising the blood vessels. |
| MRI | - A method of imageing performed in a special machine using magnetic resonance. |
| SAH | The generally accepted abbreviation for subarachnoid haemorrhage. |
| Shunt | A device for draining excess cerebrospinal fluid around the brain to other parts of the body. |
| Subarachnoid Haemorrhage | A type of stroke caused by bleeding into the space between the membranes covering the brain. |
| Vasospasm | Constriction of the arteries supplying the brain which can cause a stroke if not properly managed. |
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