You arrived on the scene of a 42-year-old male patient who has been experiencing crushing chest pain for the past hour. As you enter the kitchen of his home, he suddenly arrests and is pulseless. What should you do, assuming that each intervention could be done immediately?
A. Start positive pressure ventilations for a minimum of 2 minutes.
B. Begin CPR with ventilations.
C. Apply the AED.
D. Administer high-concentration oxygen.
