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Questions and Answers
What is the primary purpose of Cardiotocography (CTG) in pregnancy?
What is the primary purpose of Cardiotocography (CTG) in pregnancy?
Which of the following is NOT a component of CTG interpretation?
Which of the following is NOT a component of CTG interpretation?
What is the normal range for baseline fetal heart rate in CTG?
What is the normal range for baseline fetal heart rate in CTG?
What type of CTG uses internal sensors to directly measure the fetal heart rate?
What type of CTG uses internal sensors to directly measure the fetal heart rate?
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What do accelerations in CTG results typically indicate?
What do accelerations in CTG results typically indicate?
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What is the primary function of the uterine pressure sensor in CTG?
What is the primary function of the uterine pressure sensor in CTG?
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Study Notes
What is CTG?
Cardiotocography (CTG) is a diagnostic test used to monitor the fetal heart rate and the mother's uterine contractions during pregnancy.
Purpose of CTG:
The primary purpose of CTG is to:
- Assess fetal well-being and detect any potential fetal distress
- Monitor uterine contractions and identify any abnormalities
- Guide obstetric decisions, such as inducing labor or performing a cesarean section
How CTG Works:
CTG uses two sensors:
- Uterine pressure sensor: Measures uterine contractions
- Fetal heart rate sensor: Measures the fetal heart rate using ultrasound or electrodes
The sensors transmit the data to a machine, which records the information on a paper or digital strip.
Types of CTG:
There are two types of CTG:
- External CTG: Uses external sensors placed on the mother's abdomen
- Internal CTG: Uses internal sensors, such as a fetal scalp electrode, to directly measure the fetal heart rate
Interpretation of CTG Results:
CTG results are interpreted by healthcare professionals, who look for:
- Baseline fetal heart rate: Normal range is 110-160 beats per minute
- Variability: Normal range is 5-25 beats per minute
- Accelerations: Increases in fetal heart rate, indicating fetal well-being
- Decelerations: Decreases in fetal heart rate, potentially indicating fetal distress
Abnormal CTG results may indicate fetal distress or other complications, which may require further monitoring or intervention.
What is CTG?
- Cardiotocography (CTG) monitors fetal heart rate and maternal uterine contractions during pregnancy.
Purpose of CTG:
- Assesses fetal well-being and detects potential fetal distress.
- Monitors uterine contractions and identifies abnormalities.
- Guides obstetric decisions, such as inducing labor or performing a cesarean section.
How CTG Works:
- Uses two sensors: uterine pressure sensor and fetal heart rate sensor.
- Uterine pressure sensor measures uterine contractions.
- Fetal heart rate sensor measures fetal heart rate using ultrasound or electrodes.
- Sensors transmit data to a machine, recording information on a paper or digital strip.
Types of CTG:
- External CTG uses external sensors on the mother's abdomen.
- Internal CTG uses internal sensors, such as a fetal scalp electrode, to directly measure fetal heart rate.
Interpretation of CTG Results:
- Baseline fetal heart rate: normal range is 110-160 beats per minute.
- Variability: normal range is 5-25 beats per minute.
- Accelerations: increases in fetal heart rate, indicating fetal well-being.
- Decelerations: decreases in fetal heart rate, potentially indicating fetal distress.
- Abnormal CTG results may indicate fetal distress or other complications, requiring further monitoring or intervention.
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Description
Learn about Cardiotocography (CTG), a diagnostic test used to monitor fetal heart rate and uterine contractions during pregnancy, its purpose, and how it works.
