parasternal long and short axis.apical and subcostal views show the fibrous (or fibromuscular) band between the subaortic region of the interventricular septum and the apical region of the
parasternal long,short axis and modified apical views show ,in the left ventricle,a muscular band between the subaortic region of the interventricular septum and the apical region of the
posterolateral wall.in the other hand, there is a fibrous band between the two papillary muscles.(anatomic substrate of ventricular arrythmia)
subcostal and parasternal views show the pulmonary artery arising from the posterior(left)ventricle,the aorta arising from the anterior(right)ventricle,with patent ductus arteriosus,ostium secundum
atrial septal defect and a large muscular ventricular septal defect(prominently right to left shunt).