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.

Year introduced: 1964

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Tree Number(s): C14.240.400.560.375, C14.280.400.560.375, C16.131.240.400.560.375

MeSH Unique ID: D006344

Entry Terms:

• Atrial Septal Defect
• Defect, Atrial Septal
• Septal Defect, Atrial
• Atrial Septal Defects
• Persistent Ostium Primum
• Ostium Primum, Persistent
• Primum, Persistent Ostium
• Atrial Septal Defect Ostium Primum
• Ostium Primum Atrial Septal Defect
• Ostium Secundum Atrial Septal Defect

All MeSH Categories
Diseases Category
Cardiovascular Diseases
Cardiovascular Abnormalities
Heart Defects, Congenital
Heart Septal Defects
Heart Septal Defects, Atrial
Foramen Ovale, Patent
Lutembacher Syndrome

All MeSH Categories
Diseases Category
Cardiovascular Diseases
Heart Diseases
Heart Defects, Congenital
Heart Septal Defects
Heart Septal Defects, Atrial
Foramen Ovale, Patent
Lutembacher Syndrome

All MeSH Categories
Diseases Category
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Congenital Abnormalities
Cardiovascular Abnormalities
Heart Defects, Congenital
Heart Septal Defects
Heart Septal Defects, Atrial
Foramen Ovale, Patent
Lutembacher Syndrome