Flashcards in FETAL CIRCULATION Deck (3)
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1
what would happen to the O2 content in the pulmonary artery in a patient with PDA (oxygenated blood)
- obliteration of ductus arteriosus causing a detour or reversal of flow of blood causing LEFT TO RIGHT SHUNT
- normal flow should be low to high PA (deoxygenated blood) to AORTA (oxygenated blood) what happens is high to low AORTA (oxygenated blood) to PA (deoxygenated blood)
- causing LV as the main pump of blood to the aorta having 100% pressure
- decrease flow to the systemic circuit
- causing HYPOPERFUSION
- CAUSING AN INCREASE IN OXYGEN CONTENT because of the recirculation of oxygenated blood in the pulmonary artery
2
highest source of oxygen in the fetal circulation
- umbilical vessels 80%
- thru the placenta
3
