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Figure 3: (a) An echocardiographic image from our first patient as obtained using the modified subcostal view. It demonstrates the fusion of the lower edge of the atrial septum to the parietal atrioventricular junction (green arrow). Additional imaging from the subcostal region shows the presence of a defect within the oval fossa (b), with color Doppler imaging revealing the left-to-right shunt (c)

Figure 3: (a) An echocardiographic image from our first patient as obtained using the modified subcostal view. It demonstrates the fusion of the lower edge of the atrial septum to the parietal atrioventricular junction (green arrow). Additional imaging from the subcostal region shows the presence of a defect within the oval fossa (b), with color Doppler imaging revealing the left-to-right shunt (c)