fig22
![Echocardiography: an overview - Part II](https://image.oaes.cc/2812ecbd-2d42-493c-8bf9-fab687757096/4657.fig.22.jpg)
Figure 22. Selected video frames from an echocardiographic study in a subcostal view of a child illustrating an atrial septal defect (ASD) (arrow in A) with good septal rims. (B) Illustrates left-to-right shunt across the ASD. The left atrium (LA) and right atrium (RA) are marked. Reproduced from Ref.[3].