Atrial Heart Septal Defects

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.

Also Known As:

Atrial Septal Defect; Heart Septal Defects, Atrial; Atrial Septal Defect Ostium Primum; Ostium Secundum Atrial Septal Defect; Defect, Atrial Septal; Ostium Primum, Persistent; Primum, Persistent Ostium; Septal Defect, Atrial; Atrial Septal Defects; Ostium Primum Atrial Septal Defect; Persistent Ostium Primum

Cardiovascular Diseases: 91362
- Heart Diseases: 26014
  - Congenital Heart Defects: 8917
    - Heart Septal Defects: 41
      - Atrial Heart Septal Defects: 2183
- Cardiovascular Abnormalities: 452
  - Congenital Heart Defects: 8917
    - Heart Septal Defects: 41
      - Atrial Heart Septal Defects: 2183
Congenital, Hereditary, and Neonatal Diseases and Abnormalities: 933
- Congenital Abnormalities: 25723
  - Cardiovascular Abnormalities: 452
    - Congenital Heart Defects: 8917
      - Heart Septal Defects: 41
        Atrial Heart Septal Defects: 2183

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