Hypermagnesemia and perforated viscus.
Reported is an unusual case of hypermagnesemia secondary to exogenous intake in the presence of a perforated viscus and normal renal function. The patient's neurological and cardiovascular complications resolved with repair of a duodenal ulcer and correction of hypermagnesemia. The presentation of hypermagnesemia can be subtle, but should be considered in patients with gastrointestinal complications who present in shock.