Child health- foetal circulation Flashcards
where does foetal blood come from
placenta and then into the foetus via umbillical vein
oxygenated in the mothers lungs
where is the first organ foetal blood passes through
the liver
shunted with the ductus venosus to the IVC
hepatic vein (post liver) joins the IVC
where does the IVC travel to
right atria
is blood from the SVC oxygenated or deoxygenated
deoxygenated
where does the foramen ovale connect
the right and left atria
where does the blood from the right atria go
right ventricles, foramen ovale (to left atria), pulmonary arteries
where does the pulmonary artery go to
lungs
which vessel brings blood back from lungs to the heart
pulmonary vein
what does the ductus arteriosus connect
the pulmonary arteries and aorta
what is used to keep a ductus arteriosus open
prostaglandins
PGE1
what is used to close a ductus arteriosus
prostaglandin inhibitors
what is the benefit of keeping a DA open?
if there is a congenital heart condition which will not sufficiency pump the oxygenated blood around the heart
eg. transposition of the great arteries
