FHR Tracing PB

Question 1

Define normal uterine contractile activity

Answer 1

5 or fewer contractions in 10 min, averaged over 30 min period

Question 2

Define tachysystole

Answer 2

More than 5 contractions in 10 min, averaged over a 30 min period

Question 3

Normal fetal heart rate range

Answer 3

110-160 bpm

Question 4

If an accel lasts 10 minutes or longer it’s a ______

Answer 4

Baseline change

Question 5

Duration of an accel at <32 weeks and 32+ weeks

Answer 5

<32 weeks = 10x10

32+ weeks = 15x15

Must last less than 2 minutes, or it’s prolonged

Question 6

Nadir of the decel is at the same time as the peak of the contraction

Answer 6

Early decel

Question 7

Nadir of decel is after the peak of the contraction

Answer 7

Late decel

Question 8

A variable decel is defined as

Answer 8

15x15 for less than 2 minutes

Abrupt drop in FHR, meaning onset of decel to start of nadir is <30 sec

Question 9

Techniques to resolve an abnormal FHR pattern

Answer 9

Maternal oxygen
Reposition mom
Discontinue labor stimulation
Treat maternal hypotension (give fluids)
Cervical check to determine umbilical cord prolapse, descent of fetal head, rapid cervical dilation

Question 10

How to treat variable decels

Answer 10

Amnioinfusion