A 40-year-old man is in cardiac arrest. Your partner is performing CPR. You are attaching the AED when the patient's wife tells you that he has an automatic implanted cardiac defibrillator (AICD). The AED advises that a shock is indicated. What should you do?

A. Avoid defibrillation as this will damage the patient's AICD.
B. Contact medical control and request permission to defibrillate.
C. Deliver the shock followed by immediate resumption of CPR.
D. Continue CPR and transport the patient to the closest appropriate hospital.

Answer: C. Deliver the shock followed by immediate resumption of CPR.