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L&D 3
Test #3
| Question | Answer |
|---|---|
| Anoxia | cause of pain during contractions r/t stricture of blood vessels |
| Gating Theory | stimulating large nerve fibers to stop pain in small nerve fibers involved with labor |
| Optimal time to administer analgesics in Nullipara | 5-6 cms dialated |
| Optimal time to administer analgesics in Multipara | 3-4 cms dialated |
| Lumbar Epidural (peridural block) | blocks spinal nerves in epidural space in lumbar region |
| Before initiating epidural | Hydration is extremely important, 500-1000ml of non-glucose solution 15-30 minutes prior |
| Pudendal Block | perineal anesthesia for second stage of labor (does not relieve pain of uterine cxs) |
| Dystocia | difficult, long or abnormal labor |
| Hypertonic cxs | ineffective and very painful, give analgesics, pt usually wakes with normal cxs |
| Reassuring fetal heart rate | variability, normal hr, accelerations |
| McRoberts Maneuver | mother's legs flexed with knees on abdomen-shoulders can be delivered in shoulder dystocia |
| Amnioinfusion | instillation of saline into the amniotic cavity through a catheter (for cord compression or presence of thick meconium) |
| Preterm Labor | effacement or dilation or both during 27-37 wks of pregnancy |
| Fetal Fibronectin | positive result = increased risk for PTL within 2 weeks |
| Tocolytics | drugs used to stop labor |
| Magnesium Sulfate | 1st line of treatment to stop contractions |
| Betamethasone | stimulates fetal lung maturity |
| Prolapsed Umbilical Cord | cord lies below the presenting part and falls or is washed down through the cervix |