Nikolas
Created page with "== Aneurysms == === Introduction and types === Aneurysms are dilatations of blood vessels or of the heart which occur due to a weakness in the vessel wall. They may be congenital or acquired. We have several types which are easiest explained by this figure: center|thumb|Types of aneurysms. We’ll discuss dissections later. True aneurysms involve all three layers of the vessel. Saccular aneurysms are single-sided dilations, while fusifor..."