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Maternal ventricular tachycardia associated with hypomagnesemia.
M E Varon1, D M Sherer, J S Abramowicz
1Department of Obstetrics and Gynecology, Strong Memorial Hospital, University of Rochester School of Medicine and Dentistry, NY 14642-8668.
American Journal of Obstetrics and Gynecology
|November 1, 1992
Summary
This study reports a rare case of maternal ventricular tachycardia linked to low magnesium levels. Magnesium sulfate therapy effectively reduced the arrhythmia, leading to good maternal and fetal outcomes.
Area of Science:
- Cardiology
- Obstetrics
- Maternal-Fetal Medicine
Background:
- Recurrent sustained maternal ventricular tachycardia is a rare and potentially serious condition during pregnancy.
- Hypomagnesemia, or low magnesium levels, can be associated with cardiac arrhythmias.
Observation:
- A pregnant patient presented with recurrent sustained maternal ventricular tachycardia.
- Laboratory findings revealed significant hypomagnesemia as a potential contributing factor.
Findings:
- Magnesium sulfate therapy was initiated and markedly reduced the frequency of the ventricular tachycardia.
- This intervention avoided the need for conventional antiarrhythmic medications, which often carry risks in pregnancy.
- Both maternal and fetal outcomes were favorable following magnesium therapy.
Implications:
- This case highlights hypomagnesemia as a treatable cause of maternal ventricular tachycardia.
- It suggests magnesium sulfate therapy as a primary treatment option, potentially avoiding more toxic antiarrhythmic drugs.
- Further research into the pathophysiology of magnesium-deficiency-induced arrhythmias in pregnancy is warranted.