01 January 2015 by Deepa Gopalan Atlas image Gradient echo MRI confirms the ASD Share All credits to Deepa Gopalan FPVRI, Dr at Papworth and Addenbrookes Hospitals in Cambridge, United Kingdom Additional keywords: septal defect,atrial,cardiomegaly,MRI,ASD,PAH About the author Deepa Gopalan United Kingdom More from this author 18-FDG PET shows increase tracer uptake in the pulmonary artery in Takayasu Vasculitis CXR in a patient with ASD demonstrates cardiomegaly with massive dilatation of proximal pulmonary arteries CTPA Coronal view with markedly dilated main PA (MPA)