First trimester doppler Flashcards
1
Q
Ductus venosus
A
shunts oxygenated blood from placenta (via umb vein) to IVC
2
Q
Normal ductus venosus flow
A
toward the heart, triphasic with an S, D and A “trough”
3
Q
reversed A wave of ductus venosus indicates
A
risk of aneuploidy, cardiac defects, fetal death
high association with T21
4
Q
tricuspid regurgitation associated with trisomy
A
21
5
Q
Uterine artery doppler to help predict
A
placental insufficiency
6
Q
T or F – notching in the waveform of a uterine artery is normal
A
False
7
Q
A
