A patient in pulseless ventricular tachycardia receives high-quality CPR. What is the next step regarding defibrillation and medications?ADefibrillate with biphasic 100 J; no epinephrineBDefibrillate with biphasic 360 J immediatelyCDefibrillate with biphasic 120-200 J (or max if unknown), resume CPR, give epinephrine 1 mg q3-5 min and consider amiodarone 300 mg then 150 mgDLidocaine infusion onlyEDelay shocks until two cycles of CPR completeCheck my answer