Which finding indicates magnesium toxicity and requires clinical attention?

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Multiple Choice

Which finding indicates magnesium toxicity and requires clinical attention?

Explanation:
Magnesium toxicity shows up first as neuromuscular depression from elevated magnesium levels, and the most reliable early sign is diminished deep tendon reflexes. When reflexes weaken, it signals that magnesium sulfate is exerting too much effect, and the infusion needs to be reassessed or stopped to prevent progression to more serious problems like respiratory depression. Hyperactive reflexes would suggest ongoing irritability from conditions like preeclampsia rather than toxicity. Increased urine output and hypertension aren’t typical signs of magnesium toxicity. So, diminished reflexes best indicate the need for clinical attention.

Magnesium toxicity shows up first as neuromuscular depression from elevated magnesium levels, and the most reliable early sign is diminished deep tendon reflexes. When reflexes weaken, it signals that magnesium sulfate is exerting too much effect, and the infusion needs to be reassessed or stopped to prevent progression to more serious problems like respiratory depression. Hyperactive reflexes would suggest ongoing irritability from conditions like preeclampsia rather than toxicity. Increased urine output and hypertension aren’t typical signs of magnesium toxicity. So, diminished reflexes best indicate the need for clinical attention.

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