1. CARDIOVASCULAR SYSTEM:
EARLY DEVELOPMENT - I

2. CARDIOVASCULAR SYSTEM:
EARLY DEVELOPMENT - II

3. HEART AND ITS NEIGHBORHOOD- I

4. HEART AND ITS NEIGHBORHOOD- II

5. BLOOD VESSELS OF THE EMBRYO
(at 26 days)

6. FROM TUBE TO FOUR CHAMBERS
EXTERNAL VIEW

7. NORMAL : Loop to the RIGHT: Levocardia!
ABNORMAL: Loop to the LEFT: Dextrocardia!

8. FROM TUBE TO FOUR CHAMBERS
INTERNAL VIEW

9. FOUR CHAMBERS- ULTRASOUND VIEW
@ 20 wks

10. ATRIAL SEPTUM FORMATION- I

11. ATRIAL SEPTUM FORMATION- II

12. ATRIAL SEPTUM FORMATION- III

13. ATRIAL SEPTUM FORMATION- IV

14. ATRIAL SEPTUM FORMATION- V

15. THE DEFINITIVE RIGHT ATRIUM
**NOTE: In 25% of normal population, the foramen ovale remains ‘probe patent’.

16. THE DEFINITIVE LEFT ATRIUM

17. ATRIAL SEPTAL DEFECTS- “Fossa Ovalis” type

18. ATRIAL SEPTAL DEFECTS- Unrelated to Foramen Ovale

19. AORTIC ARCHES AND DERIVATIVES - I

20. AORTIC ARCHES AND DERIVATIVES - II

21. RECURRENT LARYNGEAL NERVES
Right vs Left

22. PATENT DUCTUS ARTERIOSUS
Prostaglandin: Keeps the duct Patent
Indomethacin: Closes the duct.

23. RIGHT AORTIC ARCH: Mirror image branching

24. ABERRANT RIGHT SUBCLAVIAN ARTERY:
Occurs in 0.5% of people.
Usually asymptomatic.

25. DOUBLE AORTIC ARCH: “Vascular ring”
Causes airway obstruction, stridor in infancy.

26. COARCTATION OF THE AORTA

27. THE CARDINAL VEINS AND THE VENAE CAVAE

28. THE CARDINAL VEINS AND THE VENAE CAVAE

29. SINUS VENOSUS AND THE CORONARY SINUS

30. PERSISTENT LEFT SVC 0.3% of general population.
4 % of patients with Cong. Ht Dis.
Usually drains to Coronary sinus.
Usually asymptomatic.
Enlarged coronary sinus is a clue.

31. Left SVC to coronary sinus

32. UMBILICAL AND VITELLINE VEINS- I: Liver, portal vein and ductus venosus.
© 2005 Elsevier

33. UMBILICAL AND VITELLINE VEINS- II: Liver, portal vein and ductus venosus.

34. LYMPHATIC SYSTEM- I

35. LYMPHATIC SYSTEM- II

36. FETAL CIRCULATION

37. POSTNATAL CIRCULATION