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Introduction Aneurysmatic Subarachnoid Haemorrhage (aSAH) is typically caused by extravasated blood in the subarachnoid space due to a ruptured aneurysm. aSAH is often life-threatening in the acute stage, but may also cause secondary brain damage due to delayed cerebral ischaemia (DCI) and other complications in the days and weeks after the initial bleeding. Rapid onset of a most severe headache is...
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