Magnesium sulfate (Epsom salts)

Magnesium sulfate is a soluble sulfate and anti-arrhythmic drug that is used to treat certain cardiovascular conditions in horses. It is also used as a chemical antidote immobilizing lead in the gut by precipitating it by means of formation of insoluble lead sulfate, will also act as a mild cathartic and laxative by osmotic retention and mechanical stimulation of bowl activity. Used in the treatment of Metallic lead; lead battery, lead shot, lead foil, lead weights, lead paint and sinker poisonings.
Refractory Ventricular Tachycardia, Torsades Des Pointes