What is the class of the drug described?
- Electrolyte
- Anticonvulsant
- Antiarrhythmic
- Smooth-muscle relaxant
These classifications indicate the drug’s various therapeutic uses.
What is the mechanism of action (MOA) of the drug?
- Stabilizes excitable membranes
- Decreases acetylcholine release
- Blocks calcium at neuromuscular junctions
This mechanism is crucial for seizure and dysrhythmia control.
List the indications for the drug.
- Eclampsia seizures
- Torsades de pointes
- Hypomagnesemia
- Severe asthma
These conditions are treated with the drug due to its effects.
What are the contraindications for using this drug?
- Heart block
- Myocardial damage
- Renal failure
- Hypermagnesemia
These conditions may worsen with the drug’s use.
What are the adverse effects of the drug?
- Hypotension
- Bradycardia
- Respiratory depression
- Flushing
- Drowsiness
Monitoring for these effects is essential during treatment.
What is the adult dose for seizures/eclampsia?
1–4 g IV over 5–10 min
This dosing is critical for effective treatment of seizures.
What is the adult dose for torsades?
1–2 g IV over 1–2 min
Rapid administration is often necessary for this condition.
What is the pediatric dose of the drug?
25–50 mg/kg IV (max 2 g)
Pediatric dosing must be carefully calculated based on weight.
What is the duration of action for the drug?
- Onset: immediate IV
- Duration: lasts 30 min to 1 hr
Understanding the duration helps in planning subsequent doses.
