After using the AED to deliver a single shock to a 60-year-old male patient who was found pulseless, and subsequent analysis has yielded a "No Shock Advised" notification, the EMT has been told by dispatch that ALS will not be available for 5 to 8 minutes. The EMT should:
A. maintain ventilations at a rate of 20/minute.
B. keep reanalyzing the patient's rhythm every 30 seconds until ALS arrives.
C. continue cycles of 30 compressions to two ventilations until ALS arrives or intercepts.
D. call medical direction for approval of nitroglycerin.
