Heart Septal Defects, Atrial |
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| 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. | |