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16 Cards in this Set
- Front
- Back
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What is a fetus' normal baseline heart rate.
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110-160 mm Hg over a 10 min segment.
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What is a bradycardic baseline heart rate.
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<110 BPM over a 10 min. segment.
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What is a tachycardic baseline heart rate.
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>160 BMP over a 10 min time segment
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What is variability?
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Represents intactness of fetal CNS. Most important indicator of fetal well-being. Visually detectable FHR oscillations from the baseline. Defined as absent, minimal, moderate or marked.
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What are accelerations?
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Visually apparent abrupt increases in FHR above baseline. Goal: peak >/= 15BPM, for more than 15sec but less than 2 min.
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What are early decelerations
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Visually apparent gradual decrease in FHR below baseline. Coinsides with onset, peak, and ending of contractions.
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What are early decelerations caused by?
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fetal head compression.
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What are Late decelerations.
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Vissually aparent gradual decrease in FHR below baseline. Delayed timing to peak of contractions with recovery after end of the ctx.
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What are late decelerations caused by?
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Uteroplacental insufficiency, or fetal hypoxia.
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What interventions are required with late decelerations?
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Enhance fetal oxygenation and placental perfusion. By reposition patient, IVF, oxygen, notify MD, DC induction or augmentation of labor.
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What are variable decelerations?
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visually apparent gradual decrease in FHR below baseline, Peak >/= 15BMP, duration >/= 15sec but less than 2 min. most occur with contractions.
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What is the cause of variable decelerations?
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Cord compression.
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What are the interventions for variable decelerations?
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Eliminate cord compression and increase fetal oxygen.
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What are prolonged decelerations?
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visually apparent decrease in FHR below baseline > or = 15 BPM, and greater than 2min. but less than 10min.
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What are the causes of prolonged decelerations?
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prolapsed cord, hyperstimulation, rapid decent, abruption, ect.
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How long are three parts of the 1st stage of labor, and the 2nd stage of labor?
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1. Latent phase- N= 8.6hr M=5.3
2. Active Phase- N=4.6hr M=2.4 3. Transition phase- N=3.6hr M=variable 4. Second stage- N=up to 3 hours M= 0-30min. |
