and then automatically switches to the continuous infusion rate once the bolus dose has been administered Separate dose limits have been set for bolus doses (e.g., 6 g/30 minutes) and maintenance ...
In an attempt to stop the preterm labor from progressing, the obstetrician prescribed IV magnesium sulfate, with a bolus dose of 6 g over 30 minutes followed by a continuous infusion of 2 g/hour.