A-48 year old presents with history of precordial chest pain. He has BP of 80/60 mm of Hg. EKG shows wide QRS complex with no preceding P waves and a rate of 112/min. The most immediate step in the management of this patient would be: (A) Intravenous lignocaine, (B) DC electrical cardioversion, (C) Overdrive atrial pacing, (D) Primary percutaneous transluminal angioplasty
Answer is B. None