Fetal heart Rate patterns PP[1]

Fetal heart Rate patterns PP[1] - Fetal heart Callie Morris...

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Fetal heart Rate Callie Morris
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How contractions affect FHR Uterine contractions can affect fetal heart rate by increasing or decreasing it. The three primary mechanisms by which uterine contractions can cause a decrease in fetal heart rate are compression of: Fetal head Umbilical cord Uterine myometrial vessels
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Uterine Contractions With each contraction, blood flow from the mother to the baby initially ceases as the uterine myometrial veins are compressed. As the contractions reside, the myometrial veins re-open, allowing the blood to flow between baby and mother.
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Baseline Fetal Heart Rate The Baseline FHR is the heart rate range that occurs between contractions. Normal baseline heart rate can be anywhere between 120 and 160 beats per minute. Bradycardia – FHR less than 120 bpm Tachycardia – FHR greater than 160 bpm FHR varies greatly depending on the fetus, position, mother’s health, etc.
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FHR Accelerations
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