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本研究探讨用阈值法确定门控心肌断层显像左心室心内膜边界，进而测定左心室功能，现报道如下。一、资料和方法１心脏模型研究。心脏模型由有机玻璃制成，呈圆柱体加半球形，室壁（心肌）厚度１ｃｍ，室壁腔体积１１３５ｃｍ３，心腔内径３８ｃｍ。心脏模型室壁腔９...
This study was to determine threshold gated myocardial infarction imaging of the left ventricular endocardial border, and then determine the left ventricular function, are reported below. First, the data and methods 1 heart model research. The heart model is made of plexiglass, cylindrical plus hemispherical, wall thickness (myocardial) 1cm, wall cavity volume 113 5cm3, the heart cavity diameter 3 8cm. Heart model chamber wall 9 ...