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.