A nurse is administering magnesium sulfate IV to a client who has severe preeclampsia.
Which of the following assessments should the nurse perform to monitor for magnesium toxicity? Select all that apply.
Deep tendon reflexes
Respiratory rate
Urine output
Fetal heart rate
Serum magnesium level
Correct Answer : A,B,C,E
The correct answer is choice A, B, C and E. The nurse should monitor for magnesium toxicity by assessing the deep tendon reflexes, respiratory rate, urine output and serum magnesium level of the client who has severe preeclampsia and is receiving magnesium sulfate IV. Magnesium toxicity can cause life-threatening complications such as hypotension, areflexia (loss of DTRs), respiratory depression, respiratory arrest, oliguria, shortness of breath, chest pains, slurred speech and cardiac arrest. The nurse should also have calcium chloride ready as an antidote for magnesium toxicity.
Choice D is wrong because fetal heart rate is not a direct indicator of magnesium toxicity. However, the nurse should still monitor the fetal heart rate and uterine activity per the Electronic Fetal Monitoring (EFM) Guideline.
Normal ranges for the assessments are:
• Deep tendon reflexes: 1+ to 4+ (normal to hyperactive)
• Respiratory rate: 12 to 20 breaths per minute
• Urine output: at least 30 mL per hour
• Serum magnesium level: 4 to 7 mg/dL (therapeutic range for preeclampsia)
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Related Questions
Correct Answer is D
Explanation
The correct answer is d. Notify the health care provider.
Rationale for Choice A:
- Increasing the rate of oxytocin infusion is contraindicated in this situation.
- Oxytocin stimulates uterine contractions,and the client is already experiencing excessively frequent and prolonged contractions.
- Increased oxytocin could further compromise uteroplacental blood flow and exacerbate fetal distress.
- It could also put the client at higher risk for uterine rupture,a serious complication associated with oxytocin use.
Rationale for Choice B:
- While administering oxygen is a common intervention for fetal distress,it's not the priority action in this case.
- Late decelerations in fetal heart rate are typically caused by uteroplacental insufficiency,which means the fetus isn't receiving adequate oxygen and nutrients from the placenta.
- Oxygen administered to the mother may not significantly improve fetal oxygenation if the underlying issue is impaired placental perfusion.
Rationale for Choice C:
- Turning the client to her left side is a recommended position to improve placental blood flow.
- However,in this situation,it's not the priority action given the presence of late decelerations and excessive uterine contractions.
- It may be a helpful adjunct measure,but it won't address the primary cause of fetal distress.
Rationale for Choice D:
- Notifying the health care provider is the most crucial action because:
- The client has severe pre-eclampsia,a serious condition that requires close monitoring and management.
- The frequent and prolonged contractions,along with late decelerations in the fetal heart rate,indicate potential fetal distress.
- The health care provider needs to be aware of these changes to make timely decisions regarding interventions,such as:
- Adjusting the oxytocin infusion
- Expediting delivery if necessary
- Implementing other measures to improve fetal well-being
- Closely monitoring the mother's condition to prevent complications of pre-eclampsia
Correct Answer is D
Explanation
“I should take a baby aspirin every day as prescribed.” Taking a baby aspirin daily has been shown to reduce the risk of developing preeclampsia by about 15%.If you have risk factors for preeclampsia, your healthcare provider may recommend starting aspirin in early pregnancy (by 12 weeks gestation).
Choice A is wrong because avoiding foods that are high in sodium does not prevent preeclampsia.Sodium intake does not affect blood pressure in pregnancy.
Choice B is wrong because lying on your left side for at least 2 hours a day does not prevent preeclampsia.However, lying on your left side may help improve blood flow to your placenta and your baby.
Choice C is wrong because checking your blood pressure at home every day does not prevent preeclampsia.However, monitoring your blood pressure at home may help detect signs of preeclampsia early and alert you to seek medical attention if needed.
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