You have just arrived by the side of a male patient who is in cardiac arrest. EMRs have been on the scene for 6 minutes performing CPR. ALS has been contacted and is 1 minute out. Which one of the following should you do immediately?
A. place the patient on the stretcher so ALS can provide care en route
B. check the heart rate, BP and SpO2
C. apply and use the automated external defibrillator
D. continue CPR and wait for ALS care
Answer: C