Following 2 minutes of CPR, you reassess an unresponsive man's pulse and cardiac rhythm. He remains pulseless and the monitor displays coarse ventricular fibrillation. You should:

A. perform 2 minutes of CPR and then reassess.
B. continue CPR and intubate his trachea.
C. continue CPR and establish IV or IO access.
D. resume CPR as the defibrillator is charging.

Relax