Which of the following strategies for administering magnesium sulfate for eclampsia prophylaxis should be used in the  setting of an elevated serum creatinine
In case of severe renal dysfunction , only loading dose of magnesium sulfate is required to produce steady state therapeutic level.
Give 3g loading dose followed by 2g/hr infusion
Give 3g loading dose, check magnesium level, and then titrate infusion rate
Give no loading dose and start infusion at 2g/hr
None of the above