Conclusion: PA/VSD can be diagnosed accurately by echocardiography with no wound and no pain, but a little limitations in determing the resource of pulmonary blood supply.

• 结论：彩超对肺动脉闭锁伴室间隔缺损可获得可靠诊断，无创伤无痛苦，可反复检测，但对肺循环血流供应来源的判断有一定的局限性。