Your patient is a 13 year-old male drowning victim. He was i…

Your patient is a 13 year-old male drowning victim. He was initially in cardiac arrest with a pulseless, wide-complex bradycardia. He is intubated and being ventilated with supplemental oxygen. After CPR and intubation, the patient is now in ventricular tachycardia with a weak radial pulse. Which of the following would be an appropriate treatment for this patient?