Antenatal Testing Flashcards Preview

Online Med Ed - Obstetrics > Antenatal Testing > Flashcards

Flashcards in Antenatal Testing Deck (21)
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1
Q

when are antenatal tests used

A

can be done in response to decreased fetal movement
high-risk patients who need close monitoring
contraction stress testing once delivery begins

2
Q

what is a non-stress test

A

assess the fetal heart rate for accelerations and variability

3
Q

acceleration if >32wks

A

15x15, 2 in 20

4
Q

accelerations if <32wks

A

10x10, 2 in 20

5
Q

what is a reactive NST

A

baby doing well

6
Q

if NST reactive and was used for decreased fetal movement

A

no further testing required

7
Q

if NST for high-risk patients and reactive NST

A

may be indicated weekly or twice weekly until delivery

8
Q

who are high-risk patients

A

DM
preeclampsia
>41wks

9
Q

if non-reactive NST after 20mins

A

give an additional 20mins for accels to accur

10
Q

if non-reactive NST after 40mins

A

vibroacoustic stimulation tried

11
Q

if non-reactive NST after vibroacoustic stimulation

A

biophysical profile

12
Q

what is a biophysical profile (BPP)

A

in utero APGAR

13
Q

how is BPP performed

A

NST and ultrasound

14
Q

what are the factors of BPP?

A
1 - NST
2 - breathing
3 - body movement
4 - tone
5 - amniotic fluid
15
Q

if BPP 0-2

A

deliver baby

16
Q

if BPP 8-10

A

baby is normal, treat like normal NST

17
Q

if BPP 4-6

A

assess gestational age

18
Q

if BPP 4-6 and GA >36wks

A

deliver

  • oxytocin
  • c/s
19
Q

if BPP 4-6 and GA <36wks

A

contraction stress test

20
Q

if BPP 4-6, GA <36wks, & no late decels

A

reassuring

grow baby

21
Q

if BPP 4-6, GA<36wks, & late decels

A

fetal demise risk

deliver c/s