| http://www.w3.org/ns/prov#value | - Collaterals - superficial epigastric artery-internal mammary artery, intercostals (seen on X-ray as rib notching ). - In all people - the junction where the communicating branches connect to the main branch of the cerebral vessels is a weak area (no internal elastic lamina or smooth muscles) ! berry aneurysm risk, exacerbated by HT. - CAD risk factors : age is the most important risk factor - men
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