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Figure 2 Steps of transcatheter muscular ventricular septal defect closure with modified Amplatz device. (A) Long axial oblique left ventriculogram obtained from Patient 4, demonstrating a midmuscular ventricular septal defect (arrowheads). (B) Hand injection of contrast medium into the left ventricle showing an appropriately positioned left ventricular disk. (C)Deployment of the right ventricular disk. (D) Long axial oblique left ventriculogram after release of the device, showing complete closure of the defect.
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