Angiographic findings in non-Q wave infarction and their relation to ST-T changes Hallazgos angiográficos del infarto no Q y su relación con las alteraciones del ST-T.
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Chamorro, G.
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Angiographic findings in non-Q wave infarction and their relation to ST-T changes Hallazgos angiográficos del infarto no Q y su relación con las alteraciones del ST-T.
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Non q wave myocardial infarction has been attributed to occlusion of a vessel with no ECG representation, early reperfusion of the occluded artery or occlusion of a vessel with generous collateral flow. The coronary arteriography of 84 patients with non Q wave myocardial infarction performed at 16 + 17 (SD) days after infarction was analyzed. Main left lesion was found in 6 (17%), single vessel disease in 30 (36%), two vessel disease in 18 (24%) and 3 vessel disease in 16 (19%). The "culprit" vessel had a critical residual lesion in 38 patients (45%): 22 affected the left anterior descending artery, 10 the circumflex, and 5 the right coronary artery. No residual lesion was found in 10 patients (12%). An occluded artery was found in 32 patients (38%): circumflex in 20, right coronary artery in 9 and left anterior descending in 3 (p < 0.01). Significant collateral flow to the occluded vessel was present in 41% of cases. The ST segment was analyzed in 82 patients. Depression of ST was fou
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Revista medica de Chile, Volumen 120, Issue 6, 2018, Pages 644-650
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