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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Int+J+Cardiol 1986 ; 12 (2): 260-2 Nephropedia Template TP
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Limited effect of magnesium sulphate on torsades de pointes ventricular tachycardia #MMPMID3744606
Toivonen LK; Leinonen H
Int J Cardiol 1986[Aug]; 12 (2): 260-2 PMID3744606show ga
A patient with thioridazine-induced torsades de pointes ventricular tachycardia treated with magnesium sulphate is presented. Due to incessant recurrence of tachycardias it was possible to observe the time course of the effect of 1 g intravenous doses. Suppression of torsades de pointes lasted at best for no more than 18 min and a maintenance infusion was not effective without overdrive pacing. Magnesium sulphate may have value as first aid therapy for drug-induced torsades de pointes ventricular tachycardia. However, its effect disappears rapidly, and, therefore, should not alone be relied on as prophylactic treatment.