Electronic Fetal Monitoring: Variability

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Questions and Answers

What range defines moderate variability in electronic fetal monitoring?

Greater than 25 bpm
6-25 bpm (correct)
0-3 bpm
3-5 bpm

Minimal variability in electronic fetal monitoring is defined by which range?

0-3 bpm
Greater than 25 bpm
3-5 bpm (correct)
6-25 bpm

What is the first priority intervention for absent variability, besides moderate?

Administering an IV bolus
Repositioning the mother
Increasing the rate of Pitocin
Checking maternal temperature (correct)

What is the heart rate range for absent variability?

<p>0-3 bpm (D)</p> Signup and view all the answers

What is the priority nursing intervention for marked variability?

<p>Repositioning the mother (D)</p> Signup and view all the answers

Flashcards

Absent Variability Definition

Absent variability is a range of 0-3 bpm on an electronic fetal monitoring strip, appearing as almost a straight line.

Absent Variability Causes

Oxygen issues or elevated maternal temperature.

Minimal Variability Definition

Minimal variability is a range of 3-5 bpm on an electronic fetal monitoring strip.

Minimal Variability Causes

Magnesium sulfate (Mag) can cause decreased respirations, leading to minimal variability.

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Variability Nursing Intervention

Reposition the mother as a priority intervention, except in cases of moderate variability.

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Study Notes

Electronic Fetal Monitoring assesses variabilities in fetal heart rate, with interventions generally initiated after 30 minutes, except in cases of moderate variability.

Types of Variability

Absent variability is defined as 0-3 bpm, appearing almost as a straight line on the fetal heart rate monitor.
- Potential causes of absent variability include oxygen issues, necessitating a check of the maternal temperature.
Minimal variability is characterized by a range of 3-5 bpm.
- Magnesium (Mag) administration can lead to minimal variability due to its smooth muscle relaxant effects, which can decrease maternal respirations.
Moderate variability ranges from 6-25 bpm.
Marked variability is indicated by a range greater than 25 bpm.

Intervention

Repositioning the mother is a priority intervention for all variability types except moderate, as it is the least invasive approach.

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Description

Electronic fetal monitoring assesses heart rate variabilities. Absent variability (0-3 bpm) may indicate oxygen issues. Prioritize repositioning the mother for all variability types except moderate as a primary intervention.