Subarachnoid Haemorrhage (SAH)

Subarachnoid Haemorrhage (SAH)Created OnMay 4, 2020Last Updated OnMay 4, 2020byadmin You are here: Main Radiology Subarachnoid Haemorrhage (SAH) < All Topics Table of Contents Subarachnoid haemorrhage is commonly associated with trauma or spontaneous bleeding from an intracranial aneurysm. Aneurysms are only visible on conventional CT images if they are large. Less frequently, subarachnoid haemorrhage is due to spontaneous bleeding from a congenital arteriovenous malformation or spontaneous bleeding from the veins around the brain stem (perimesencephalic subarachnoid haemorrhage). CT Brain – SAH Dense blood (white) is seen filling the basal cisterns, fissures and the fourth ventricle Subarachnoid haemorrhage may result in blood collecting in the ventricles Occasionally a layer of blood in the ventricles is the only sign *Some of the image photo is taken from web, we do not own this, it’s for knowledge sharing purpose.

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