It is also necessary for neuromuscular irritability and blood clotting. Magnesium deficiency produces neuromuscular disorders. It may cause weakness, tremors, tetany, and convulsions. Hypomagnesemia may also be induced by amphotericin toxicity.
Magnesium deficiency is described with cardiac arrhythmias.
The concept that magnesium may cause arrhythmias is repeatedly expressed. Patients taking these drugs should have their magnesium checked approximately once every six months. Long term parenteral nutrition. Patients on long term parenteral nutrition that are otherwise asymptomatic should have a serum magnesium checked monthly. Renal loss secondary to diuretic use should be followed on a six-month basis.