3 important shunts in fetal circulation
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ductus venosus, foramen ovale, ductus arteriosus
What maternal conditions greatly impact fetal oxygenation?
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Severe astha, cardiac issues, and ecclampic seizures
At what rate is exogenous oxytocin at for the mother during the first stage of labor?
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2 to 4 mu
What is mixed acidemia?
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When there is some oxygen but not enough so the base still gets depleted
but not quite as much
How can hypoxemia lead to a decreased AFI in a fetus?
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Hypoxemia can lead to shunting which leads to decreased renal perfusion
which then causes a decrease in AFI
What can stadol and Nubian cause in fetal heart rates?
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Pseudo sinusoidal patterns
What is a reactive NST for less than 32 weeks?
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Accelerations with a peak of greater than 10 bpm above the baseline and
duration of longer than 10 seconds
What is the fetal Hct?
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51-56%
Explain spiral arteries in placenta
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Carry O2 into intervillous space
Are maximally dilated so they can not be increased
Explain the pathway for maternal- fetal exchange for fetal oxygenation (basic)
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ductus venosus, foramen ovale, ductus arteriosus
What maternal conditions greatly impact fetal oxygenation?
,Give this one a try later!
Severe astha, cardiac issues, and ecclampic seizures
At what rate is exogenous oxytocin at for the mother during the first stage of labor?
Give this one a try later!
2 to 4 mu
What is mixed acidemia?
Give this one a try later!
When there is some oxygen but not enough so the base still gets depleted
but not quite as much
How can hypoxemia lead to a decreased AFI in a fetus?
Give this one a try later!
Hypoxemia can lead to shunting which leads to decreased renal perfusion
which then causes a decrease in AFI
What can stadol and Nubian cause in fetal heart rates?
, Give this one a try later!
Pseudo sinusoidal patterns
What is a reactive NST for less than 32 weeks?
Give this one a try later!
Accelerations with a peak of greater than 10 bpm above the baseline and
duration of longer than 10 seconds
What is the fetal Hct?
Give this one a try later!
51-56%
Explain spiral arteries in placenta
Give this one a try later!
Carry O2 into intervillous space
Are maximally dilated so they can not be increased
Explain the pathway for maternal- fetal exchange for fetal oxygenation (basic)