The mnemonic
VSD ASD PDA
What each word stands for
- VSDVentricular septal defect
- ASDAtrial septal defect
- PDAPatent ductus arteriosus
Why it matters clinically
Left-to-right shunts increase pulmonary flow and can lead to Eisenmenger syndrome.
Where it stops being reliable
Atrioventricular septal defect is another shunt not captured.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.