患儿,男,7岁。以“发现心脏杂音10个月”入院。患儿于1991年7月因不慎触电在当地医院救治时发现有心脏杂音。平素无明显症状,活动量与同龄儿童相似。体检:一般情况好,BP13.3/8 kPa,无紫绀,肺部无异常体征,心前区无隆起,心尖搏动位于左锁骨中线上第5肋间增强,范围8 cm~2,心界稍向左扩大。HR90次/分,律齐。胸骨左缘第4、5肋间闻及连续性杂音,舒张期增强,肺动脉 Children, male, 7 years old. To “find heart murmur 10 months” admission. Children in July 1991 because of accidental electric shock in the local hospital for treatment found heart murmur. Usually no obvious symptoms, activities and children of similar age. Physical examination: the general situation is good, BP13.3 / 8kPa, no cyanosis, no abnormal lung signs, no anterior bulging, apex beat in the left midclavicular line 5 intercostal enhancement range 8 cm ~ 2, heart slightly Expand left. HR90 times / min, law Qi. The fourth intercostal space on the left margin of sternal border smells and continuity, diastolic enhancement, pulmonary artery