Does the Lack of Hyperkinesis During Dobutamine Stress Echocardiography Predict the Functional Significance of Coronary Arterial Stenosis?

The clinical implication of the lack of hyperkinesis during dobutamine stress echocardiography (DSE) has not been determined. We hypothesized that a lack of hyperkinesis during graded doses of dobutamine infusion would reflect the severity of coronary flow abnormality distal to the stenosis and prov...

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