Circulation 124: 2181 - 2184, 2011. doi: 10.1161/CIRCULATIONAHA.111.062182 Treatment of Long QT Interval Syndromes Treatment of any VT / VF Alleviation of predisposing causes and triggers, especially electrolyte abnormalities and use of certain medications Usually beta blockade Sometimes an ICD Rarely, left cardiac sympathetic denervation Details of treatment of torsade de pointes ventricular tachycardia are discussed elsewhere but include cardioversion and magnesium sulfate IV.