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Figure 1 (A) Left ventriculography in the left anterior oblique view showing a 9-mm perimembranous ventricular septal defect (arrow) in a 22-month-old boy. (B) Cine image showing the arteriovenous loop. (C) Left ventricular disk has been deployed. (D) Left ventriculography showing good position of left ventricular disk. (E) Cine image immediately after the right ventricular disk has been deployed. (F) Left ventriculography showing good device position before its release. (G) Cine image after the device has been released. The platinum marker is pointed to the apex (arrow), indicating good device position. (H) Final left ventriculography indicating good device position and no residual shunt.