Heart Septal Defects, Atrial

Atrial Septal Defect; Defect, Atrial Septal; Defects, Atrial Septal; Foramen Ovales, Patent; Ovale, Patent Foramen; Ovales, Patent Foramen; Patent Foramen Ovale; Patent Foramen Ovales; Septal Defect, Atrial; Septal Defects, Atrial
Defects in the septum between the atria of the heart, due to failure of fusion between either the septum secundum or the septum primum and the endocardial cushions.