Magnesium therapy for torsades de pointes.

  title={Magnesium therapy for torsades de pointes.},
  author={Dan Tzivoni and Andre Keren and Alan M. Cohen and H Loebel and Ilan Zahavi and Adrian Chenzbraun and Shlomo Stern},
  journal={The American journal of cardiology},
  volume={53 4},
This is the first report of the successful use of magnesium sulfate (MgSO4) in 3 consecutive patients with torsades de pointes (TdP). In 1 patient, TdP was induced by a combination of quinidine and amiodarone, in the second by procainamide, and in the third by an overdose of imipramine. The QT intervals before TdP were 0.70, 0.64 and 0.56 second, respectively. A bolus of 1.0 to 2.0 g MgSO4 25% abolished the TdP in all 3 patients; but in the third patient, because of recurrent TdP, a second… CONTINUE READING
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