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心前区超声心动图能确定大部分儿童主动脉下病变。经食道超声心动图可清楚观察左室流出道病变。采用此项技术评价儿童左室流出道梗阻。病人和方法连续观察8例年龄大于5岁儿童主动脉下梗阻。全部病例无症状,但有左室流出道梗阻体征,2例存在主动脉返流性杂音。全部首先作心前区影
Echocardiography can determine the lesion in the aorta of most children. Transesophageal echocardiography can clearly observe the left ventricular outflow tract lesions. Use this technique to evaluate children with left ventricular outflow tract obstruction. Patients and Methods Continuous observation of obstruction of the aorta in 8 children older than 5 years. All cases were asymptomatic, but with signs of left ventricular outflow tract obstruction, 2 cases of aortic regurgitation murmur. All for the first heart area shadow