While in diastole, there were (1) antegrade in the transverse aorta, and retrograde in the ascending aorta and descending aorta (below FDA), and (2) left-to-right shunt in the FDA.

• 结果发现：在收缩期时，在升、降主动脉是顺向（前进）血流，在横主动脉是逆向血流，在动脉导管是右至左分流。