ARTHUR GLAUBERMAN / SCIENCE PHOTO LIBRARY ARTHUR GLAUBERMAN / SCIENCE PHOTO LIBRARY
Gross specimen of a coronal section of a brain, showing a cerebral hemorrhage. Cerebral haemorrhages (bleeding into brain tissue) can be caused by head injuries, arteriovenous malformation (AVM), aneurysm, hypertension, and amyloid angiopathy. Symptoms include sudden headache, increasing neurological losses (weakness, paralysis, numbness), seizures, nausea and vomiting, and loss of consciousness. Treatment depends on the cause of the hemorrhage.
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