Chapter

Phenomenology of subarachnoid haemorrhage and cerebral venous thrombosis

Michael G. Hennerici, Rolf Kern, Kristina Szabo and Johannes Binder

in Stroke

Published on behalf of Oxford University Press

Published in print July 2012 | ISBN: 9780199582808
Published online July 2012 | e-ISBN: 9780191739651 | DOI: http://dx.doi.org/10.1093/med/9780199582808.003.006

Series: Oxford Neurology Library

Phenomenology of subarachnoid        haemorrhage and cerebral venous thrombosis

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• Subarachnoid haemorrhage (SAH) accounts for approximately 10% of all strokes. The aetiology of SAH can be classified into aneurysmal and non-aneurysmal. Intracranial aneurysms are the cause of 80% of SAH. • Unruptured intracranial aneurysms may be present in approximately 1% of the general adult population. The average risk of rupture is low (approximately 1–2%), but it is not possible to predict the course of an asymptomatic, incidental aneurysm with certainty. • The aetiology of cerebral venous thrombosis (CVT) is diverse, and many conditions have been associated with CVT (e.g. coagulation abnormalities).

Chapter.  1492 words.  Illustrated.

Subjects: Neurology

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