Magnesium Sulfate Doses

Question 1

Reactive airway conditions

Answer 1

2.0 gm
In 50 mL
Over 5 to 10 minutes

Question 2

Pre-term labor, Pre-eclampsia, eclampsia

Answer 2

3.0 to 6.0 gm
In 100 mL
Over 10 to 20 minutes
May repeat initial dosages

Question 3

Maintenance infusion

Answer 3

1.0 to 4.0 gm/hour

Question 4

Torsades de pointes infusion

Answer 4

1.0 to 2.0 gm
In 50 to 100 mL
Over 5 minutes
May repeat dose
1.0 to 2.0 gm over 1 hour

Question 5

Cardiac arrest IV/IO

Answer 5

1.0 to 2.0 gm
Over 1 to 2 minutes