hen anterograde flow is restored to an oc- cluded coronary artery in patients with acute myocardial infarction (AMI), it is gen- erally presumed that flow is also restored to the myo- cardium. The article by Ito et all in this issue of Circulation reports that myocardial perfusion is absent in about one fourth of their population of patients with AMI despite reflow being achieved in the occluded vessel within 6 hours of onset of symptoms. In this study, myocardial contrast echocardiography (MCE) was used
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Kaul et al. (1992) studied this question.
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