Note: These training videos are the same videos you will experience when you take the full ProFirstAid Basic program. Your progress in watching these videos WILL NOT be tracked. You may begin the ProFirstAid Basic training for free at any time to start officially tracking your progress toward certification.

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If the patient is a witnessed cardiac arrest, first check to assure the scene is safe. Check for patient responsiveness, contact emergency services. Turn on the AED if the patient is not breathing. Attach the AED pads to the patient, and do not touch the patient while the AED analyzes. After a shock is delivered, begin CPR for about 5 cycles or two minutes. The AED will interrupt after two minutes and reanalyze the patient. Continue to follow the AED's instructions until advanced life support arrives.