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通过对127例经二维扇超确定为双室肥大的病例观察,按病因分为肺心病合并左心衰组16例、先心病组20例(其中室缺11例、房缺4例、动脉导管未闭5例),风湿性心脏病组42例,扩张型心肌病31例和冠心病组18例等5组。观察各组 QRS 环方位、角度及在各象限的
Through the 127 cases of two-dimensional fan identified as double room hypertrophy observed cases, according to the cause is divided into pulmonary heart disease with left heart failure in 16 cases, 20 cases of congenital heart disease (including 11 cases of atrioventricular antrum in 4 cases, arteries 5 cases of patent ductus arteriosus), 42 cases of rheumatic heart disease, 31 cases of dilated cardiomyopathy and 18 cases of coronary heart disease. Observation of each group QRS ring azimuth, angle and in each quadrant