This video is the first in a series which will introduce the viewer to a philosophic approach for, and a morphologic background to, the diagnosis of children with congenitally malformed hearts. In each video we demonstrate the anatomy as seen in echocardiographic cuts, relating to the three-dimensional structure of the heart and then show the echocardiographic images themselves, demonstrating the window from which they have been obtained. The first video is the essential introduction to normality, showing the orthogonal planes of the heart relative to the body, and illustrates how the...