Introduction The congenital defect, characterized by the exit of both large arteries from the right ventricle (RV), completely or even when overlapping more than 50% of one of the arteries over the interventricular septum, presents variable relationships between these arteries and the ventricular septal defect (VSD), as well as association with other anatomical and functional variables. In the most common associated defect, the isolated VSD, in a subaortic position or in that unrelated to the large arteries, the functional condition […]