Intrapartum Fetal assessment

Question 1

FHR normal range is?

Answer 1

110-160 bpm

Question 2

What is a minimal, moderate and marked amplitude for a fetus HR?

Answer 2

Minimal= 0-5
Moderate= 6-25
Marked >25

Question 3

What are the 3 types of deceleration?

Answer 3

Early
Variable
Late

Question 4

What is the values (bpm, secs, onset in mind) for Variable decelerations?

Answer 4

Decrease is >=15 bpm
lasting>= 15 secs
<2 mins from onset to return baseline

Question 5

What is a late deceleration caused by physiologically?

Answer 5

Reflex fetal response
Transient hypoxemia during a uterine contraction

Question 6

What is variable deceleration a response to?

Answer 6

Fetal autonomic reflex to transient mechanical compression of UC.

Question 7

Accelerations are good or bad?

Answer 7

Good, suggests the baby is healthy

Question 8

What is the mnemonic DR C BRAVADO?

Answer 8

Define Risk
Contractions (duration and intensity)
Baseline rate
Variability (5-25bpm)
Accelerations

Question 9

Variability can be categorized into 3:

Answer 9

Reassuring (5-25 bpm)
Non-reassuring (<5bpm for 30-50mins; >25 bpm for 15-25 bpm)
Abnormal (<5bpm >50 mins; >25bpm for >25 mins)

Question 10

What is the bpm and duration for an acceleration?

Answer 10

increase in >15bpm for > 15secs

Question 11

What is the bpm and duration for an deceleration?

Answer 11

decrease in >15bpm for >15secs