Why the study?
Does magnesium sulfate infusion alter electrophysiologic parameters in normomagnesemic patients with cardiac conduction defects?
Population
25 normomagnesemic patients with different cardiac conduction impairments.
Comparison
Magnesium sulfate infusion (50 mg/min for 60 min) vs Baseline (before magnesium infusion)
Design
Case_series
Follow-up
60 minutes
Authors
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Magnesium infusion may subtly prolong AV conduction in normomagnesemic patients; hypothesis-generating and should not change practice without controlled data.
Does magnesium sulfate infusion alter electrophysiologic parameters in normomagnesemic patients with cardiac conduction defects?
Magnesium sulfate infusion in normomagnesemic patients with conduction defects causes a small but statistically significant prolongation of A-V and suprahisian conduction times without affecting intraventricular conduction.
Perticone et al. (1992) studied this question.
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