Sinus Venosus Atrial Septal Defect as a Cause of Palpitations and Dyspnea in an Adult: A Diagnostic Imaging Challenge

Figure 4

Axial 3-dimensional steady state free precession (SSFP) magnetic resonance image demonstrating anomalous pulmonary venous return of the right superior pulmonary vein into the superior vena cava. Right upper lobe partial anomalous pulmonary venous return (arrows). SVC: superior vena cava; RPa: right pulmonary artery; Ao: aorta.