| partial or total obstruction of a coronary artery, as by a thrombus, usually resulting in infarction of the myocardium. |

| coronary occlusion n. The partial or complete obstruction of blood flow in a coronary artery, as by a thrombus or the progressive buildup of atherosclerotic plaque. |
coronary occlusion n.
Blockage of a coronary vessel, usually by thrombosis or atheroma and often leading to myocardial infarction.