NST, Contraction Stress test, Glucose Challenge Flashcards
This test assess fetal well-being and oxygenation of the placenta
Evaluates if there are changes in the fetal heart rate with movement
○ Increase in fetal heart rate with movement = acceleration = good
○ Decrease in fetal heart rate with movement = deceleration = bad
■ This is a sign that the fetus will not tolerate labor
Nonstress Test (NST)
There are at least two accelerations of 15 beats per minutes for 15 seconds in a 20 minute period.
Reactive Nonstress Test
There are NOT at least two accelerations of 15 beats per minutes for 15 seconds in a 20 minute period.
Non-reactive Nonstress Test
*further testing required
● Preformed when the non-stress test is non-reactive.
● Oxytocin is administered to induce contractions and the baby is monitored to evaluate their response to contractions.
● Checking to see if the baby will tolerate labor, or show signs of stress.
● Results
○ Negative
■ Normal
■ The baby did not have decelerations in response to contractives ○
○ Positive
■ Bad
■ The baby had decelerations indicating distress in response to contractions.
Contraction Stress Test
Which of the following are required for a nonstress test to be considered reactive? Select all that apply.
a. Two increases in the fetal heart rate of 15 beats per minute
b. Two decreases in the fetal heart rate of 15 beats per minute
c. Two increases in the fetal heart rate for 15 seconds
d. Two decreases in the fetal heart rate for 15 seconds
e. Moderate variability
f. Absent variability
ANSWER; A and C
*we do not consider variability in NST