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9 Cards in this Set
- Front
- Back
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From what class is magnesium sulfate?
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A tocolytic.
anticonvulsant |
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What does magnesium sulfate treat?
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- to suppress labor
- eclampsia in preggos (seizing/convulsing/coma) - hypOmagnesia (< 1.3mEq) |
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When administering mag sulfate, what signs should the nurse look for to determine toxicity?
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Absent reflexes.
Low blood pressure Respiratory depression |
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What are signs of an adverse reaction?
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flushing
sweating hypotension depressed reflexes flaccid paralysis hypothermia circulatory collapse cardiac and central nervous system depression proceeding to respiratory paralysis |
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Hypocalcemia and hypokalemia often follow low serum levels of magnesium. T or F
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TRUE
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Magnesium is said to have a depressant effect on CNS. T or F
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TRUE
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What are symptoms of hypOmagnesia?
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Early symptoms of hypomagnesemia (less than 1.5 mEq/liter) may develop as early as three to four days or within weeks. Predominant deficiency effects are neurological:
Muscle irritability Clonic twitching Tremors. |
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With low doses, only flushing and sweating occur.
Larger doses cause lowering of __________. |
B/P
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How does magnesium sulfate relieve convulsions?
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- Blocks neuromuscular transmission
- Decreases amount of acetylcholine liberated at the end plate by the motor nerve impulse |
