8 Questions
What is the normal range for fetal heart rate in beats per minute?
100-160 bpm
What is the purpose of a non-stress test?
To monitor fetal heart rate in response to fetal movements
What is a normal result in a non-stress test?
Reactive
What is the purpose of fetal movement monitoring?
To track fetal movements
What is a normal result in fetal movement monitoring?
10-15 movements per hour
What is the method of assessing fetal heart rate using a Doppler ultrasound device?
External monitoring
What is a deceleration in fetal heart rate monitoring?
A temporary decrease in heart rate
What is the purpose of a fetal scalp electrode?
To monitor fetal heart rate
Study Notes
Cardio Tocography
Fetal Heart Rate Monitoring
- Definition: Fetal heart rate monitoring (FHRM) is a method of assessing fetal well-being during pregnancy and labor.
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Methods:
- External monitoring: Fetal heart rate is measured using a Doppler ultrasound device or a tocodynamometer.
- Internal monitoring: Fetal heart rate is measured using a fetal scalp electrode.
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Interpretation:
- Baseline heart rate: 100-160 bpm, with a normal variability of 5-25 bpm.
- Accelerations: Temporary increases in heart rate, indicating fetal well-being.
- Decelerations: Temporary decreases in heart rate, potentially indicating fetal distress.
Non-stress Test
- Definition: A non-stress test (NST) is a method of assessing fetal well-being by monitoring fetal heart rate in response to fetal movements.
-
Procedure:
- The mother is asked to press a button whenever she feels fetal movement.
- Fetal heart rate is monitored using a cardiotocograph (CTG) machine.
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Interpretation:
- Reactive: A normal test result, indicating a healthy fetus.
- Non-reactive: An abnormal test result, potentially indicating fetal distress or a need for further testing.
Fetal Movement Monitoring
- Definition: Fetal movement monitoring is a method of assessing fetal well-being by tracking fetal movements.
-
Methods:
- Kick counts: The mother records the number of fetal movements over a set period.
- Actography: Fetal movements are monitored using a device that measures fetal activity.
-
Interpretation:
- Normal: 10-15 movements per hour, indicating a healthy fetus.
- Abnormal: Fewer than 10 movements per hour, potentially indicating fetal distress or a need for further testing.
Cardio Tocography
Fetal Heart Rate Monitoring
- FHRM is a method to assess fetal well-being during pregnancy and labor
- Two methods: external monitoring using Doppler ultrasound or tocodynamometer, and internal monitoring using a fetal scalp electrode
- Baseline heart rate: 100-160 bpm with a normal variability of 5-25 bpm
- Accelerations: temporary increases in heart rate, indicating fetal well-being
- Decelerations: temporary decreases in heart rate, potentially indicating fetal distress
Non-stress Test
- Definition: a method to assess fetal well-being by monitoring fetal heart rate in response to fetal movements
- Procedure: mother presses a button when she feels fetal movement, and fetal heart rate is monitored using a CTG machine
- Reactive test result: a healthy fetus, indicating normal fetal heart rate in response to movement
- Non-reactive test result: an abnormal result, potentially indicating fetal distress or a need for further testing
Fetal Movement Monitoring
- Definition: a method to assess fetal well-being by tracking fetal movements
- Kick counts: mother records the number of fetal movements over a set period
- Actography: fetal movements are monitored using a device that measures fetal activity
- Normal fetal movement: 10-15 movements per hour, indicating a healthy fetus
- Abnormal fetal movement: fewer than 10 movements per hour, potentially indicating fetal distress or a need for further testing
Assess your knowledge of fetal heart rate monitoring methods and interpretation in pregnancy and labor.
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