Fetal Monitoring Quiz
1. What is the basis for fetal monitoring? Why do we do it? - ANS-To determine fetal
well-being and oxygenation
Fetal Heart Baseline - ANS-110-160
Fetal Tachycardia - ANS->160
Fetal Bradycardia - ANS-<110
Fetal Heart Variability - ANS-beat to beat fluctuations in fetal heart rate. Interplay
between sympathetic and parasympathetic nervous system. You can have absent,
minimal, moderate, and marked variability.
What are episodic patterns? Give two examples. - ANS-Do not have to be associated
with uterine contraction in order to name the pattern: accelerations or variable
decelerations
What are periodic patterns? Give two examples - ANS-Must be associated with a
uterine contraction in order to name the pattern: early or late decelerations
Describe the appearance of variable decelerations. What is their cause? - ANS-KEY:
ABRUPT onset. Abrupt decrease in fetal heart rate at least 15beats below baseline,
onset to nadir is <30 seconds, duration is at least 15 seconds but less than 2 minutes.
Define fetal heart rate accelerations? Why are they significant? - ANS-Accelerations are
an abrupt increase in fetal heart rate either 10 beats above baseline last for 10 seconds
(10x10) or 15 beats above baseline last for 15 seconds (15x15). They are associated
with fetal movement and indicate well-being.
What are the differences between early and late decelerations (define and describe the
appearance of each one each)? - ANS-Both early and late decelerations are gradual
decrease in fetal heart rate and from onset to nadir is >30 seconds. Early's mirror image
a contraction and late decelerations start at the peak of the contraction.
Which is non-reassuring? - ANS-Late decels
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