Chapter 18: Fetal assessment during labor

Question 1

Involves listening of the fetalheart sounds at periodic intervals to assess the FHR.

Answer 1

Internmittent auscultation

Question 2

According to AWHON IA frequencies must be done:

Answer 2

every hour in the latent phase of 1st stage of labor.

every 15 minutes in the second stage

Question 3

measures UA transabdominally, placed over the fundus above the umbilicus.

Answer 3

Tocotranducer (tocodynamometer) - have the woman lay in semi-fowler or lateral position

Question 4

___ of the FHR can be described as irregular waves or fluctuations in the baseline FHR of two cycles per minute or greater

Answer 4

variability

Question 5

changes in the FHR that occurs with UA

Answer 5

Periodic changes

Question 6

changers in the FHR that does not occur with UA

Answer 6

Episodic changes

Question 7

___ of the FHR is defines as a visually appatent abrupt increase in the FHR above the baseline rate

Answer 7

Accelerations (either periodic or episodic)

Question 8

caused by dominance of a parasympathetic response may be benign or abnormal

Answer 8

decelerations

Question 9

____ of the FHR is visually apparent gradual DECREASE in and return to baseline (>30 secs) associated with UA. Benign. Associated with fetal head compression. Does not need intervention.

Answer 9

Early decel

Question 10

Uteroplacental insufficiency causes by?

Answer 10

late decel- concerning, can cause fetal hypoxemia, reposition mom, can lead to metabolic acedemia.

Question 11

umbilical cord compression is cause by?

Answer 11

variable decel- reposition mom and amnioinfusion treatment

Question 12

worst FHR of at least 15 bpm below the baseline and lasting more than 2 minutes but less than 10 minutes and can result in fetal hypoxemia.

Answer 12

prolonged decel- caused by disruption of fetal oxygen supply.