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NURS 320 - Final > Fetal Monitoring > Flashcards

Fetal Monitoring Flashcards

(48 cards)

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1
Q

What is a non-reassuring fetal status?

A

Fetal distress due to insufficient oxygen (variable / late decelerations)

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2
Q

What pattern is shown?

A

Variable decelerations

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3
Q

Describe variable decelerations

A

Abrupt decrease in FHR

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4
Q

What is the cause of variable decelerations?

A

Cord compression

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5
Q

Describe the nursing interventions associated with variable decelerations (4)

A
  • Discontinue pitocin
  • Trendelenburg / McRoberts
  • O2 via non-rebreather (8 - 10 L / min)
  • Amnioinfusion
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6
Q

What assessment should take place in the case of variable decelerations?

A

Vaginal exam to assess for cord prolapse

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7
Q

What pattern is shown?

A

Early decelerations

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8
Q

Describe early decelerations

A

Gradual decrease in FHR (mirror contractions)

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9
Q

What is the cause of early decelerations?

A

Head compression (normal)

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10
Q

Describe the nursing interventions associated with early decelerations (2)

A
  • Maintain O2
  • Monitor labor progress
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11
Q

What pattern is shown?

A

Accelerations

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12
Q

Describe accelerations

A

Abrupt increase in FHR

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13
Q

Accelerations indicate ______

A

Fetal movement

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14
Q

What is the cause of accelerations?

A

Oxygenation (normal)

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15
Q

Describe the nursing interventions associated with accelerations (2)

A
  • Maintain O2
  • Monitor labor progress
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16
Q

What pattern is shown?

A

Late decelerations

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17
Q

Describe late decelerations

A

Gradual decrease in FHR occurring AFTER onset of a contraction

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18
Q

What is the cause of late decelerations?

A

Placental insufficiency

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19
Q

Describe the nursing interventions associated with late decelerations (4)

A
  • Discontinue pitocin
  • Left lateral position
  • O2 via non-rebreather (8 - 10 L / min)
  • Correct maternal hypotension
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20
Q

What assessment should take place in the case of late decelerations?

Study These Flashcards
A

Palpate uterus to assess for tachysystole

21
Q

What information is provided by FHR monitoring? (2)

Study These Flashcards
A
  • Fetal response to stress of labor
  • Fetal nervous system intactness
22
Q

Stimulation of the ______ nervous system increases FHR

23
Q

Stimulation of the ______ nervous system decreases FHR

Study These Flashcards
A

Parasympathetic

24
Q

How is external monitoring of uterine activity conducted?

Study These Flashcards
A

Tocotransducer

25
How is external monitoring of FHR conducted?
Ultrasound / doppler
26
How is internal monitoring of uterine activity conducted?
Intrauterine pressure catheter (IUPC)
27
How is internal monitoring of FHR conducted?
Spiral / scalp electrode
28
What is required for internal monitoring or uterine activity / FHR? (2)
- Cervical dilation - ROM
29
How can contraction frequency be measured?
Tocotransducer / IUPC
30
How can contraction duration be measured?
Tocotransducer / IUPC
31
How can contraction intensity be measured?
IUPC only
32
Minimum section of interpretable baseline duration must be ______
≥ 2 minutes
33
What is a normal baseline FHR?
110 - 160 BPM
34
What is moderate (normal) FHR variability?
5 - 15 BPM
35
What does moderate (normal) FHR variability indicate?
Intact fetal nervous system
36
What is minimal FHR variability?
< 5 BPM
37
Describe fetal tachycardia
> 160 BPM for at least 10 minutes
38
What are the common causes of fetal tachycardia? (3)
- Fetal hypoxia - Maternal fever - Drug use
39
Describe fetal bradycardia
< 110 BPM for at least 10 minutes
40
What are the common causes of fetal bradycardia? (3)
- Fetal hypoxia - Maternal hypotension - Anesthetics
41
______ is the key indicator of danger associated with fetal bradycardia
Variability
42
What pattern is shown?
Variable decelerations
43
What pattern is shown?
Late decelerations
44
What pattern is shown?
Normal FHR
45
What pattern is shown?
Late decelerations
46
What pattern is shown?
Accelerations
47
What pattern is shown?
Variable decelerations
48
What pattern is shown?
Early decelerations

NURS 320 - Final (19 decks)

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