*CNS depressant
*Decreases the amount of acetylcholine which decreases neuromuscular transmission
Therapeutic level 4.8-9.6 mg/dL
Toxicity
Blood Pressure will be low
Urine output will be low
Respirations will be low
Patellar reflex absent
Antidote Calcium Gluconate
Interventions
Monitor Vital Signs (RR & BP)
Draw Magnesium levels per order Monitor FHR
Head to Toe Assessment (DTR, LOC) Usually on for 24 hours postpartum
Contraindications
▪ Renal disease
▪ Heart disease
▪ Myasthenia Gravis
Side Effects
- Decreased respirations
- Nausea & Vomiting Headache
- Altered LOC/confusion
- Drowsiness
- Sweaty Flushing
| Two Main uses: |
Preterm Labor Loading dose 4-6 grams in 100 mL over 20 minutes Maintenance dose 1-4grams/hour |
Preeclampsia Loading dose 6 Grams over 20 minutes Maintenance 2 grams/hour |