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应用超声心动图测定左室功能,是一种较新的无创性检查技术。自1967年Feigenbaum首先用之测定每搏输出量以来,迄今10余年间,研究范围不断扩大,涉及了左室收缩功能
The application of echocardiography in the determination of left ventricular function is a relatively new noninvasive technique. Since the first measurement of stroke volume by Feigenbaum in 1967, the scope of the study has been expanding over the past 10 years and involved in left ventricular systolic function