A type 1 diabetic mother is on magnesium sulfate infusion post-cesarean section for preeclampsia. She develops delirium and is drowsy. She has a respiratory rate of 10/min, random blood glucose level of 240 mg/dL, oliguria, and bilaterally absent knee reflex. What is the cause of her condition?

Options

1. Magnesium sulfate toxicity
2. Diabetic ketoacidosis
3. Eclampsia
4. Diabetes insipidus

Correct Answer

Magnesium sulfate toxicity

Explanation

Loss of deep tendon reflexes (absent knee reflex), respiratory depression (RR 10/min), drowsiness, and oliguria are classic signs of magnesium toxicity. Treatment involves stopping magnesium sulfate and administering calcium gluconate.

← More NEET_PG PYQs