Fetal testing Flashcards
Describe a reactive NST.
2 or more HR accelerations of 15 bp over baseline that last for 15 seconds over a 20 minute interval.
What is included in BPP
Nonstress test plus US assessment of: amniotic fluid volume, fetal breathing movement, fetal movement, fetal tone. 2 points per category and 0 points if abnormal.
Describe a contraction stress test
External fetal HR monitoring during spontaneous or induced (e.g., oxytocin, nipple stimualation) uterine contractions
Normal result of contraction stress test
No late or recurrent variable decels
Abnormal result of contraction stress test
LAte decals with >50% of contractions
Describe umbilical a doppler velocimetry
Eval of umbilical artery flow in fetal IUGR only
Describe unsatisfactory contraction stress test