Video 9: DTG atrial septal view. Left panel—in presence of intact atrial septum, showing the opening of the SVC and IVC. Right panel—in presence of ASD, showing the ASD and its shunting (yellow arrows) and the SVC flow. LA, Left atrium; RA, Right atrium; SVC, Superior vena cava; IVC, Inferior vena cava; IAS, Inter atrial septum
