fig22
![Echocardiography: an overview - Part III](https://image.oaes.cc/a251030f-17ae-4989-8cbc-3b1df7232f71/4834.fig.22.jpg)
Figure 22. Selected video frame from the subcostal view of a patient with tricuspid atresia demonstrating the right to left (R to L) shunt (thick arrow) across the interatrial communication. Reproduced from Ref.[19]. LA: Left atrium; RA: right atrium.