Ostium secundum atrial septal defectRadlex concept
Preferred Label : ostium secundum atrial septal defect;
Definition : 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. [MeSH];
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. [MeSH]