fig23

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].