房间隔缺损是常见的先天性心脏病,分继发孔和原发孔,以继发孔为常见,约占95%。房间隔缺损随病情进展,心脏形态和血液动力学发生改变。但由于年龄的增大,且常伴有其它疾病,在诊断上容易漏诊、误诊,而导致治疗不当。1资料与方法本组46例均为本院2006～2008年期间住院及门诊患者。 Atrial septal defect is a common congenital heart disease, sub-spontaneous primary and secondary holes to secondary holes are common, accounting for about 95%. Atrial septal defect with the progress of the disease, changes in cardiac morphology and hemodynamics. However, due to age, and often accompanied by other diseases, the diagnosis is easy to miss, misdiagnosis, which led to improper treatment. 1 Materials and Methods The group of 46 patients were hospitalized in our hospital from 2006 to 2008 and outpatients.