Question

A nurse is assisting with collecting data for a client who is in preterm labor and is receiving magnesium sulfate via continuous IV infusion. Which of the following findings should the nurse identify as an indication of magnesium toxicity?

A. Increased urinary output
B. Elevated blood pressure
C. Absence of deep tendon reflexes
D. Improved uterine contractions

Answer 1

The absence of deep tendon reflexes is a sign of magnesium toxicity in a client receiving magnesium sulfate via continuous IV infusion for preterm labor.

Step-by-step explanation:

The nurse should identify the absence of deep tendon reflexes as an indication of magnesium toxicity. When administering magnesium sulfate via continuous IV infusion for preterm labor, one must monitor the patient closely for signs of magnesium toxicity, as it can lead to serious complications. The presence of hypermagnesemia can suppress neuromuscular function, resulting in diminished neuromuscular transmission and potentially leading to respiratory paralysis and cardiac arrest. Therefore, the absence of deep tendon reflexes is a key clinical sign that magnesium levels are excessively elevated.