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NCLEX RN Practice Question # 559

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NCLEX Examination.

Practice Question # 559.

 

Nclex

 

Fetal heart rate (FHR)

  1. FHR depends on gestational age; FHR is 160 to 170 beats/min in the first trimester, but slows with fetal growth to 120 to 160 beats/min near or at term.
  2. FHR is about twice the maternal heart rate.

FETAL MONITORING

Description

  • The fetal monitor displays the fetal heart rate (FHR).
  • The device monitors uterine activity.
  • The monitor assesses frequency, duration, and intensity of contractions.
  • The monitor assesses FHR in relation to maternal contractions.
  • Baseline FHR is measured between contractions; the normal FHR at term is 120 to 160 beats/min.

External fetal monitoring

  • External fetal monitoring is noninvasive and is performed using a tocotransducer or Doppler ultrasonic transducer.
  • Leopold’s maneuvers are performed to determine on which side the fetal back is located, and the ultrasound transducer is placed over this area (fasten with a belt).
  • The tocotransducer is placed over the fundus of the uterus where contractions feel the strongest (fasten with a belt).
  • The client is allowed to assume a comfortable position, avoiding vena cava compression (maternal supine hypotensive syndrome).
  • The preferred position is to have the client lie on her side to increase perfusion.

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