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Maternity: Electronic Fetal Monitoring 2023/2024 already graded A+
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Maternity: Electronic Fetal Monitoring 2023/2024 already graded A+
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Maternity: Electronic Fetal MonitoringWhat is electronic fetal monitoring?
A way to monitor fetal heart rate status during labor. Can be continuous or intermittent based on
risk factors. Most is done externally, but there are internal (intrauterine) monitors as well.
Diagram of external monitoring
When is electronic fetal monitoring done?
- At prenatal visits
- Triage visits
- Admission to labor and birth unit
- Intermittently or continuously throughout labor based on risk factors
WHY is electronic fetal monitoring done?
It is used as a screening tool to assess fetal oxygenation
What are some limitations of electronic fetal monitoring?
- Mobility
- Inability to constantly obtain a reading
- Difficult to interpret (inter-rater reliability)
- Many studies do NOT support continuous EFM in low risk women
What's the range for a normal fetal heart rate?
110-160
KNOW THIS!!!
True or false:
, The fetal heart rate decreases as the fetus matures
Yep true
Fetal circulation diagram (go watch the khan academy video if you really want to learn this
madness)
Blood flows from areas of _______ pressure to areas of _______ pressure
Blood flows from areas of high pressure to areas of low pressure
The fetal heart rate is regulated by.... (5 things)
- Autonomic nervous system (para and sympathetic)
- Baroreceptors
- Chemoreceptors
- Adrenal glands
- Central nervous system
What happens to the heart rate as the parasympathetic nervous system matures?
As one might expect, this slows the intrinsic pacemaker of the fetal heart (in the right atrium, SA
node)
True or false:
Both the parasympathetic and sympathetic nervous system are influenced by baroreceptors,
chemoreceptors and hormones
True
Is an umbilical cord gas sample taken from an umbilical artery or vein?
Artery
On fetal monitoring paper, the bold solid vertical lines signify...
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