 Examples of conditions in which CMR is often used include tetralogy of Fallot, transposition of the great arteries, coarctation of the aorta, single ventricle heart disease, abnormalities of the pulmonary veins, atrial septal defect, connective tissue diseases such as Marfan syndrome, vascular rings, abnormal origins of the coronary arteries, and cardiac tumors.Atrial septal defect with dilation of the right ventricle by CMR
Partial Anomalous Pulmonary Venous Drainage by CMR

CMR examinations in children typically last 15 to 60 minutes.In order to avoid blurry images the child must remain very still during the examination.