fig23
![Echocardiography: an overview - Part II](https://image.oaes.cc/2812ecbd-2d42-493c-8bf9-fab687757096/4657.fig.23.jpg)
Figure 23. Two-dimensional echocardiograms without (A) and with color flow imaging (B) in subcostal long-axis view of the atrial septum, demonstrating an atrial septal defect (ASD) (arrow in A) with left-to-right shunt (arrow in B). The left atrium (LA) and right atrium (RA) are marked. Reproduced from Ref.[17].