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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
What is the normal FHR
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120-160 BPM
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Faster than adults
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How is the Baseline FHR determined
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By reading a minimum of a 10 min. strip and analyzing the FHR between contractions
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What is considered fetal bradycardia
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A fetal heart rate below 120 BPM for at least 10 min.
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What are some causes of fetal bradycardia
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maternal hypotension, umbilical cord compression, drugs, fetal congenital heart block, fetal hypoxia
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What is considered fetal tachycardia
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FHR above 160 BPM for at least 10 min.
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What are some causes of fetal tachycardia
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maternal fever, drugs, fetal arrhythmia, fetal hypoxia
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Variability
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The differing rhythmicity in FHR over time. Shows up as a slight jitter in the wave.
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Does variability indicate a reassuring or non-reassurung FHR pattern.
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Reassuring
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Variability is considered to be one of the most reliable indicators of fetal-well being.
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TRUE
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Periodic changes are
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Fluctuations in response to contractions or fetal activity.
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Accelerations
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Temporary NORMAL increases in FHR usually due to fetal movement.
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They must meet the 15 x 15 window to be considered accelerations.
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Variable DECELS
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Shaped like U, V, or W, but often not consistent in shape. Caused by cord compression. FHR drops suddenly from baseline and often returns abruptly to baseline. MOST COMMON.
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What are the Nursing Interventions for variable DECELS?
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Position change, Oxygen, bolus of IV fluids, and close monitoring
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Early decelerations
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Look uniform in shape, resembling inverted uterine contractions. They are caused by head compression., are of short duration and considered benign.
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What are the Nursing Interventions for variable DECELS?
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Position change, Oxygen, bolus of IV fluids, and close monitoring
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Late Decels
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FHR still down after contractionis over, slow return to baseline. Caused by uteroplacental insufficiency. Pattern is OMINOUS and requires IMMEDIATE INTERVENTION.
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Interventions for late DECELS
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Position change (left side usually best), oxygen, bolus of IV fluids, DC pitocin if running, notify MD, prepare for possible C-section, continue to monitor closely.
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