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': 'Regarding torsades de pointes, false statement is: \nSelect and explain. \nA. More Common in males, B. Hypocalcemia can be a causative false, C. IV.mg is initial treatment of choice for acquired cause., D. Congenital cause is treated with beta blocker', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. More Common in malesCAUSES OF TORSADES DE POINTES:I. CongenitalII Acquired: BradycardiaHypokalemiaDrugs- Quinidine, procainamide, sotalol, amiodaroneDisopyramide, phenothiazine, TCATorsades de pointes is more common in females (because of |QT)Mechanism - Initiation by early after depolarization- Perpetuation by transmural entryTreatment-I. Congenital: Betablocker, pacing, ICII Acquired: I.V Magnesium, pacing', 'role': 'assistant'}]