A total of 109 patients underwent physical examination, electrocardiogram and echo cardiography.
总计109个病人做了体格检查, 心电图,超生心动图.
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Objective To Validte the Yeliabil of left ventricle ejection fraction ( LEF ) measured by reconstructed impedance cardiography ( RICG ).
目的验证重建心阻抗图测量左室射血分数 ( LEF ) 的可靠性.
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