A bulge in the wall of an artery. One of the causes of a leaking artery.
Inability to use language. It can be a problem of understanding language (receptive Aphasia) or producing language (expressive Aphasia). The term 'Aphasia' tends to be used interchangeably with 'Dysphasia'.
Inability to perform tasks that require remembering patterns or sequences of movements, i.e. the movements need to talk. There is no paralysis of the muscles.
Computed Tomography (CT)
The X-ray technique most commonly used to examine the brain.
A long-term (chronic) state of confusion, which can result from, for example, multiple strokes or Alzheimer's disease.
Difficulty in speaking caused by weakness of the muscles around the mouth - slurred speech.
Difficulty in swallowing.
Difficulty in speaking loudly (or softly) enough.
Difficulty in co-ordinating or performing certain movements or gestures.
Blood clot that has formed outside a blood vessel (artery or vein).
Where a blood vessel leaks, allowing blood to escape into the tissues.
Loss of one-half of the normal field of vision.
Weakness of one-half of the body.
Complete paralysis of half of the body.
An area of cell death (e.g. part of the brain) as a result of being deprived of its blood supply.
Magnetic Resonance Angiography (MRA)
Using a large, powerful magnet, rather than X-rays, to create pictures of the blood vessels (arteries and veins).
Magnetic Resonance Imaging (MRI)
A type of scan that, instead of X-rays, uses a large, powerful magnet to create an image (picture) of part of the body.
Bleeding between the brain and one of the covering membranes, often due to a leaking aneurysm.
Transient Ischaemic Attack (TIA)
A stroke that recovers fully within 24 hours of the start of symptoms.
Terms taken from "Stroke at your Fingertips" by Dr Anthony Rudd, Penny Irwin, Bridget Penhale (Class Publishing, London, 2000)