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自1954年Edler首先报道超声诊断心血管疾病以来,国内外应用各类超声仪器诊断心血管疾病日趋普及。1973年以后,Kloster等先后报道了多晶体回声图的临床应用和评价,由于多晶体超声较超声心动图更能形象地反映心脏及大血管的解剖结构,从而根据各房室及大血管的大小等间接征象和
Since Edler first reported in 1954 ultrasound diagnosis of cardiovascular disease, the application of various types of ultrasound equipment at home and abroad to diagnose the increasingly widespread cardiovascular disease. After 1973, Kloster et al. Reported the clinical application and evaluation of polycrystalline echocardiography. Since polycrystalline ultrasound more vividly reflects the anatomy of the heart and large blood vessels than echocardiography, Indirect signs and so on