| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |
|---|---|
| ASD | Atrial Septal Defect Types of ASD 1. Ostium Primum ASD ... |
| APSD | aorticopulmonary septal defect |
| AVSD | atrioventricular septal defect |
| HVSD | hydrogen-detected ventricular septal defect |