Definition Polymorphic Ventricular Tachycardia (Torsade de Pointes) is a ventricular arrhythmia characterized electrographically by a wide complex tachycardia that appears to twist around a single point, as the amplitude of the waves enlarge and shrink. Torsades usually occurs in a “pause dependent” fashion. There is a run of tachycardia, or an ectopic beat, and then […]