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Illustration of the prognostic indicator function of the coronary microcirculation in acute myocardial infarction. Whether assessed by TIMI flow,71 myocardial blush grade or ST-segment resolution,95 myocardial contrast echocardiography,72 or magnetic resonance imaging,7 prognosis is significantly worse if myocardial perfusion is not restored despite an open epicardial artery. Images used with the permission of the American Heart Association.
