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acrylic prints brain acrylic prints cerebrovascular accident acrylic prints organ acrylic prints infarction acrylic prints disease acrylic prints sylvian fissure acrylic prints head acrylic prints human body acrylic prints neurology acrylic prints medicine acrylic prints patient acrylic prints 62 acrylic prints sixties acrylic prints senior acrylic prints adult acrylic prints

photographs brain photos cerebrovascular accident photos organ photos infarction photos disease photos sylvian fissure photos head photos human body photos neurology photos medicine photos patient photos 62 photos sixties photos senior photos adult photos

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Stroke. Coloured computed tomography (CT) scans of axial sections through the head of a 62-year-old patient with a stroke. The front of the brain is at top and the right hemisphere is seen at left in the sections. A large infarct (dead tissue, dark patches at right) is seen in the sylvian fissure of the left hemisphere. The infarct is a result of ischaemia, a lack of blood flow caused by a blood vessel obstruction. The blockage may be due to a thrombus (blood clot) or embolism (air bubble or loose blood clot). Strokes can be instantly fatal, or may pass unnoticed. Symptoms can include muscle weakness, behavioural changes or paralysis.

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