Other terms
Atrial Septal Defects,Defect, Atrial Septal,Defects, Atrial Septal,Septal Defect, Atrial,Septal Defects, Atrial,Atrial Septal Defect,Persistent Ostium Primum,Ostium Primum, Persistent,Primum, Persistent Ostium,Ostium Secundum Atrial Septal Defect
Description
Heart Septal Defects, Atrial: Developmental abnormalities in any portion of the ATRIAL SEPTUM resulting in abnormal communications between the two upper chambers of the heart. Classification of atrial septal defects is based on location of the communication and types of incomplete fusion of atrial septa with the ENDOCARDIAL CUSHIONS in the fetal heart. They include ostium primum, ostium secundum, sinus venosus, and coronary sinus defects.
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