41 because the patient received both oral and i.v. magnesium within a 24-hour period, and 27 because the patient had severe renal impairment. The exclusion of these courses resulted in 80 patients ...

The degree of change in SMC was significantly influenced by the timing of SMC measurement after a magnesium course, by renal function ... with cardiovascular disease, magnesium is replaced ...

Magnesium sulfate 500mg ... or 0.9% sodium chloride inj for slow IV infusion over a 3-hour period. TPN: usual range: 1–3g (8–24mEq) daily. Severe renal impairment: max 20g in 48 hours.