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特发性扩张型心肌病伴或不伴有充血性心力衰竭时 ,均有不同程度的心腔 (特别是左心室 )扩大和心肌收缩性减低。心三位X线反映左心室扩大及彩超多普勒评价研究较多见 ,但对于右心扩大及右心衰竭的研究较少见。故本研究对高海拔地区右心系统引起的心功能不全、心脏扩大行心三位、
Idiopathic dilated cardiomyopathy with or without congestive heart failure, have varying degrees of heart chamber (especially the left ventricle) to expand and reduce myocardial contractility. Heart X-ray findings of left ventricular enlargement and color Doppler evaluation of more common, but for right ventricular enlargement and right heart failure is rare. Therefore, this study of high altitude right ventricular system caused by heart failure, cardiac enlargement of the center of the three,