Figure 1

XFM fused images provide "target" for crossing VSD. Right ventricle and Right Ventricle Outflow Tract (yellow), Left ventricle epicardial and endocardial contour (green and purple, respectively), Left Ventricle apex (red dot), VSD (pink and turquoise – segmented from two imaging planes to corroborate location), aortic valve annulus and commisures (black circle and white lines), aortic root (red).