What causes the PDA to close?

Related questions

1. What is PDA illness?
2. When should PDA close?
3. What is the most mild form of autism?
4. Can a PDA close on its own?
5. How common is PDA in babies?
6. Why is PDA dangerous?
7. What's PDA in a relationship?
8. Who can diagnose PDA?
9. How is PDA treated in adults?
10. Is PDA curable?

Tags

1. #usually
2. #patients
3. #common
4. #before
5. #doesn
6. #defects
7. #heart
8. #detour
9. #failure
10. #sometimes
11. #cause
12. #premature
13. #allows
14. #birth
15. #known
16. #infants
17. #along
18. #other
19. #ductus
20. #blood
21. #babies
22. #close
23. #after
24. #lungs