This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'Torsades de pointes causes? \nSelect and explain. \nA. EideQRS, B. Sho QRS, C. Wide QT, D. Sho QT', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Wide or long QT interval is seen with it. 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 electrocardiogram (ECG) baseline. Reference: Harrison 20th edition pg 1554', 'role': 'assistant'}]