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Maternity Nursing
Materninty Nursing Chapter 6
| Maternity Nursing - Terms | Maternity Nursing - Defined |
|---|---|
| Accelerations | Periodic increase in the baseline fetal heart rate. (brief, temporary increases in FHR of at least 15 beats/min above the baseline. They usually occur with fetal movements just as the heart rate increases in adults during exercise.) |
| Alpha-fetoprotein (AFP) | An antigen present in the human fetus. Elevated levels in the amniotic or adult serum during pregnancy may indicate neural tube defect; decreased levels may indicate Down Syndrome. |
| Amnioinfusion | Infusion of warmed isotonic saline into the uterine cavity to reduce umbilical cord compression; also performed to flush meconium out of the cavity to reduce the risk of fetal aspiration. |
| Deceleration | Decrease in the fetal heart rate. |
| Early Deceleration | Periodic change in fetal heart rate patern caused by head compression; deceleration has a uniform appearance and early onset in relation to the maternal contraction. |
| External Fetal Monitoring | Ultrasound transducer & tacodynamometer are secured to the woman's abdomen. When placed correctly the sound waves of the fetal heart are picked up by the electric monitor. Uterine contractions monitored for frequncy/duration, not intensity externally. |
| Fetal Pulse Oximetry | Fetal oxygen saturation measured by a transcervical catheter positioned against the the fetal cheek. Used when the amniotic membranes are ruptured and the cervix is at least 2 cm dilated. |
| Internal Fetal Monitoring | It requires ruptured amniotic membranes and at least 2 cm dilated. Fetal presentiong part must be known and down near cervix. Spiral electrode inserted into vagina and placed by clockwise rotation, until attached to presenting part (head or buttocks). |
| Internal EFM | Wires extend from electrode attached to leg plate and then fetal monitor. Pressure transducer is place in utero cavity to monitor contractions and gives pressure reading. |
| Late Decelerations | Frequently begin at approximately the peak of the contraction & end after the contraction ends. They are often associated with uteroplacental insufficiency. Persistant or recurrent late decelerations may indicate hypoxia or lack of oxygen to the fetus. |
| Nonreassuring Heart Rate Pattern | A fetal heart rate pattern that indicates fetal distress, such as late decelerations, bradycardia, or absence of variability. |
| Reassuring Heart Rate Pattern | Reflects adequate fetal oxygenation. |
| Variable Decelerations | Involve a transient drop in FHR before, during, or after uterine contraction. They are related to a brief compression of the umbilical cord. The decelerations are abrupt and often associated with accelerations before or after deceleration. |
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2banurse
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