<prompt> A 60-year-old retired banker complains of feeling dizzy with palpitations and breathlessness. His BP becomes un-recordable while ECG is being recorded. What should be the first step in the management of this patient?IV Amiodarone 150mgIV Lasix 40mgCardioversionIV lignocaine  <response>: ECG shows broad complex QRS tachycardia diagnostic of Ventricular tachycardia MONOMORPHIC. Since the BP of the patient is crashing-Pt unstable - Rx- Cardioversion-DC Shock 