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COMPOSITION FOR ULTRASONICALLY QUANTITATING MYOCARDIAL PERFUSION
COMPOSITION FOR ULTRASONICALLY QUANTITATING MYOCARDIAL PERFUSION
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机译:超声定量心肌灌注的成分
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摘要
Myocardial perfusion is assessed quantitatively using a suspension of insoluble gas filled microspheres. In such use: the myocardium is ultrasonically imaged; the suspension of pressure-stable, water-soluble gas-containing microspheres sized to pass through the pulmonary capillaries is injected intravenously; imaging is continued through the first transit of the microspheres through the myocardium; the videodensity versus time relationship is determined from the images; and blood flow through the myocardium is calculated from that relationship.
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