<prompt> As per the recent guidelines of Resuscitation what to be done if asystole is not responding to two consecutive doses of epinephrine:-Vasopressin is the second line drugDefibrillation with 200JAnother dose of epinephrineAtropine should be given  <response>: Most common electrical mechanism for cardiac arrest isasystole,as recorded at initial contact in45-50 of cases.Previously VF was thought to be the common mechanism, but its its incidence has now been decreasing. 