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Figure 1 Myocardial contrast echocardiography (MCE) at end-systole (apical four-chamber view [A]) 24 h after percutaneous transluminal coronary angioplasty in a patient with nonreperfusion (arrowheads) defined by MCE after anterior acute myocardial infarction. The coronary flow velocity pattern in the left anterior descending artery immediately after revascularization (B) and at 24 h follow-up (C) showed retrograde systolic flow (arrow) and rapid deceleration of diastolic flow. There is a slight improvement in flow pattern during follow-up. ASPV = average peak flow velocity; DDT = diastolic deceleration time; DSVR = diastolic-systolic velocity ratio.
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