Features of Torsade de pointes is-: (A) Wide QRS complex, (B) Sho QRS complex, (C) Prolonged QTc interval, (D) Sho QTc interval
Answer is C. 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