During magnesium sulfate therapy for seizure prophylaxis, monitoring includes all of the following EXCEPT:

• A Patellar reflex
• B Respiratory rate
• C Urine output
• D Serum sodium level every hour ✓

Explanation

Standard clinical monitoring of magnesium sulfate uses the knee jerk, respiratory rate, and urine output, because reflexes disappear around 7 mEq/L, respiratory paralysis near 10 mEq/L, and excretion depends on renal function. Hourly serum sodium is not part of the protocol. Serum magnesium levels themselves are measured only when toxicity is suspected or renal impairment exists.

Reference: Williams Obstetrics, 26th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

Written and medically reviewed by the StethoPrep medical team.