Key result
Magnesium sulfate linked to reduced recurrent maternal VT and good fetal outcomes in hypomagnesemia.
Why the study?
Maternal ventricular tachycardia associated with hypomagnesemia has not been previously described without requiring conventional antiarrhythmic treatment.
Does magnesium sulfate therapy reduce the frequency of maternal ventricular tachycardia associated with hypomagnesemia?
Case Report (n=1)
Does magnesium sulfate therapy reduce the frequency of maternal ventricular tachycardia associated with hypomagnesemia?
Magnesium sulfate therapy may be an effective treatment for maternal ventricular tachycardia associated with hypomagnesemia, avoiding the need for conventional antiarrhythmic medications.
May support magnesium in hypomagnesemic maternal VT; hypothesis-generating, requires prospective validation before practice change.
We present a rare case of recurrent sustained maternal ventricular tachycardia associated with hypomagnesemia. The frequency of this arrhythmia was markedly reduced with magnesium sulfate therapy. Both maternal and fetal outcomes were good. To the best of our knowledge this is the first description of maternal ventricular tachycardia that was associated with hypomagnesemia and did not require treatment with conventional antiarrhythmic medications. We discuss the possible underlying pathophysiologic causes of this condition.
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Varon et al. (1992) conducted a case report in Maternal ventricular tachycardia associated with hypomagnesemia (n=1). Magnesium sulfate therapy was evaluated on Frequency of arrhythmia and maternal/fetal outcomes. Magnesium sulfate therapy markedly reduced the frequency of recurrent sustained maternal ventricular tachycardia associated with hypomagnesemia, resulting in good maternal and fetal outcomes.
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