When you encounter an unresponsive patient with suspected cardiac arrest before EMS arrives, what is the recommended first action?

When you encounter an unresponsive patient with suspected cardiac arrest before EMS arrives, what is the recommended first action?

• A. Check for responsiveness and breathing for 10 seconds before acting.
• B. Begin CPR immediately and use an AED if available; monitor the patient and call for help.
• C. Wait for EMS to arrive before starting CPR.
• D. Provide only rescue breaths for 2 minutes before chest compressions.

Answer: (B)