…including acute occlusions, subtotal stenoses, and discusses associated clinical presentations, prognostic implications, and management strategies. In the GRACE ECG substudy of 5000 patients with non…

…ischemia and infarction Definition and conceptual framework Acute coronary occlusion is the abrupt or progressive reduction of coronary blood flow sufficient to produce myocardial ischaemia…

…affect large and medium sized arteries. Pathological features include plaque formation with calcium deposition, medial thinning, destruction of muscular and elastic tissue, fragmentation of the…

…to thrombus formation and subsequent coronary occlusion. Plaque rupture typically involves a thin, collagen poor fibrous cap overlying a large lipid core with many macrophages…

…with ACS. Clinical manifestations therefore commonly include recurrent myocardial ischaemia, recurrent infarction, or acute coronary occlusion. Stent thrombosis may occur within hours or days of…

…women, respectively, should be considered abnormal. A common cause of abnormally large T waves is hyperkalemia, which results in high, pointed and asymmetric T waves…

…involve partial occlusions, resulting in subendocardial ischemia and comparatively milder symptoms. For the same reason, patients with STEMI are at higher risk of life threatening…

…particularly with continuing ischaemia, heart failure, electrical instability or a large area of myocardium at risk. Over 48 hours: urgent PCI is still indicated with…

…clinical importance of the finding is related to the extent of myocardium at risk. Occlusion or impaired perfusion in a vessel supplying a large viable…

…Abrupt loss of flow may cause rapid deterioration when a large myocardial territory is jeopardized. Cardiovascular collapse after failed PCI is more likely with extensive…