fetal medicine Flashcards
(4 cards)
1
Q
three fetal shunts in fetal circulation
A
ductus venosus
foramen ovale
ductus arteriosus
2
Q
what does the ductus venosus do
A
connects the umbilical vein to the inferior vena cava allowing blood to bypass the liver
3
Q
what does the foramen ovale do
A
connects the right atrium with the left atrium allowing blood to bypass the right ventricle and the lungs
shuts within weeks and becomes the fossa ovalis
4
Q
what does the ductus arteriosus do
A
connects the pulmonary artery with the aorta allowing blood to bypass the lungs