Fetal Well-Being

Question 1

What is normal fetal heart rate range?

Answer 1

120-160 BPM

Question 2

What is fetal tachycardia?

Answer 2

HR > 160 BPM

Question 3

What is fetal bradycardia?

Answer 3

HR < 120 BPM

Question 4

What are the causes of fetal tachycardia?

Answer 4

1) Chronic fetal asphyxia due to poor uteroplacental perfusion 2) Drug administration: atropine, ephedrine, terbutaline 3) Maternal fever/sepsis 4) Thyrotoxicosis

Question 5

What are causes of fetal bradycardia?

Answer 5

1) Acute fetal asphyxia 2) Acidosis 3) LA toxicity 2/2 paracervical block 4) Maternal Beta Blocker 5) Congenital Heart Block

Question 6

What is the most sensitive indicator of fetal well-being?

Answer 6

HR beat to beat variability

Question 7

Causes of decreased variability?

Answer 7

1) Fetal hypoxia 2) Acidosis 3) Maternal drugs 4) Normal sleep cycle

Question 8

What is an acceleration?

Answer 8

HR increase by 15 BPM with fetal movement or uterine contraction

Question 9

What is a category 1 fetal heart rate tracing?

Answer 9

Reassuring and predictive of normal fetal well-being

Question 10

What is a category 2 fetal heart rate tracing?

Answer 10

Indeterminate of fetal well-being

Question 11

What is a category 3 fetal heart rate tracing?

Answer 11

Non-reassuring for normal fetal well-being and or normal fetal acid base status