Coronary occlusion

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A coronary occlusion, or coronary artery disease, is the partial or complete obstruction of blood flow in a coronary artery. This condition was first discussed in 1910 by Sir William Osler. This condition slows or blocks the supply of oxygen-rich blood to the heart. This condition can lead to myocardial ischemia and if untreated, may cause a heart attack and heart failure. It is the most common form of cardiovascular disease, and is the leading cause of death in the United States, affecting 18 million adults.

Wikipedia. CC BY-SA 4.0. Updated Apr 16, 2026.