心房憩室是一罕见疾病。现将我们用超声心动图诊断并经手术及病理证实的一例报道如下. 患儿男,2岁.因“感冒”后胸透发现心脏扩大于1985年10月23日入院.患儿为第三胎,足月顺产,出生后生长发育正常,半岁后易患“感冒”,常伴呼吸困难等不适。其母妊娠期及家族史无特殊。 Atrial diverticulum is a rare disease. Now we use echocardiography diagnosis and confirmed by surgery and pathology, one case is reported as follows .Patients male, 2 years old. “Cold” thoracic heart found to expand in October 23, 1985 admitted to hospital for children in the third Fetal, term full-term, normal growth and development after birth, predisposing “cold” after six months of age, often accompanied by breathing difficulties and other discomfort. The mother’s pregnancy and family history no special.