Features of Torsade de pointes is-
Wide QRS complex
Sho QRS complex
Prolonged QTc interval
Sho QTc interval
Torsades de pointes is a specific form of polymorphic ventricular tachycardia in patients with a long QT interval. It is characterized by rapid, irregular QRS complexes, which appear to be twisting around the ECG baseline. Ref Harrison 20th edition pg 1545
C.V.S