Heart conditions leading to an irregular and fast heart rate, called atrial fibrillation, and disorders that mean blood has a tendency to form clots, are also causes of mini strokes. In a transient ischaemic attack though, brain function is impaired which causes symptoms, but the cells survive.Īnyone can have a mini stroke but it is more frequent in patients who have risk factors for blood vessel damage: old age, high blood pressure, diabetes, smoking and raised cholesterol levels. If the cells die this is called a stroke, or ischaemic attack, as opposed to a transient ischaemic attack. Blood supply restriction to any body tissues is called ischaemia an area of the brain where the cells are deprived of blood supply is called an ischaemic area.
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