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An aneurysm is a bulge in a blood vessel that's caused by a weakness in the blood
vessel wall. As the blood passes through the weakened blood vessel, the blood
pressure causes it to bulge outwards like a balloon.
Aneurysm can occur anywhere in the body but the two…

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They made up of deposits of cholesterol, fibres and dead muscle cells.
They bulge into the lumen of the artery causing it to narrow so that the blood flow
through it is reduced.
They increase risk of thrombosis and aneurysms.

Over time (months or years), patches of atheroma can become…


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