What are the indications for magnesium therapy?
Magnesium deficiency is associated with
ventricular ectopy, sudden cardiac death, and CHF. It can also precipitate
refractory VF and impede correction of hypokalemia. Hypomagnesemia should be
corrected in cases of refractory VT or VF. Magnesium sulfate is the treatment
of choice for torsades de pointes. Magnesium supplementation may also reduce
the incidence of post-myocardial infarction ventricular dysrhythmias. Thus,
some authorities suggest administering it prophylactically to patients after