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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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