38.5 MB (1.8 MB compressed)
3394 x 3969 pixels
28.7 x 33.5 cm ⏐ 11.3 x 13.2 in (300dpi)
ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Brain haemorrhage. Coloured computed tomography (CT) scan of a section through the brain of a 75 year old patient with a intracerebral haemorrhage (bleeding). Blood (orange) is leaking into the ventricles of the brain, causing a haematoma (solid mass). Intracerebral haemorrhages are most often caused by hypertension (high blood pressure), but may also be caused by injury, drug abuse or an abnormality of the blood vessels. Symptoms include headache, nausea, vomiting, and deficiencies in balance, coordination and focusing the eyes. Treatment is with surgery to remove the clot, but the prognosis is poor.
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