B3.2.6 - Occlusion of coronary arteries
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4 Terms
Aneurysm
An aneurysm is a bulging or ballooning in the wall of a blood vessel (usually an artery) caused by a weakness in the vessel wall.
Embolism
An embolism occurs when a substance (like a blood clot, fat, or air bubble) travels through the bloodstream and blocks a blood vessel elsewhere in the body. This can interrupt blood flow to organs and tissues.
Atherosclerosis
Atherosclerosis is a condition in which plaque (made of fat, cholesterol, and other substances) builds up on the inner walls of arteries. This narrows and hardens the arteries, restricting blood flow and increasing the risk of heart attack or stroke.
Thrombosis
Thrombosis is the formation of a blood clot (thrombus) inside a blood vessel, which can block blood flow. It can occur in veins (deep vein thrombosis) or arteries (arterial thrombosis).